Tambora volcano produced the most explosive eruption in the past 220 years, starting with two powerful Plinian eruptions and followed by overwhelming pyroclastic flows.
A volcano is a crack in the crust of a planetary-mass object, such as Earth, through which hot lava, volcanic ash, and gases can leak out from a magma chamber under the surface. On Earth, volcanoes are most frequently found where tectonic plates are separating or joining together, and the majority are underwater.
The eruption was divided into two main phases, with the first being a Plinian eruption and the second featuring massive pyroclastic flows of hot volcanic debris hurtling down Tambora's slopes. The ash plume from the Plinian phase was approximately 33 kilometers tall, with a possible peak height of 43 kilometers.
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Which is a major problem with Africa's economy?
A. Africa has no valuable natural resources.
B. Africa cannot attract foreign investment.
C. Industrialized nations do not need any of Africa's exports.
D. Africa has industrialized too quickly.
Option (b), which states that foreign investment cannot be drawn to Africa, is the correct response.
Which is a significant issue for Africa's economy?Africa has a high rate of inequality and unemployment. The area has a corrupt system that is not interested in funding education and other aspects of regional development. being ruled by colonial powers for long years in Africa.
Due to a lack of foreign investment, Africa's economy is unstable due to global pricing changes.
According to estimates from the World Bank, a lack of funding for roads, telecommunications, water, electricity, and other infrastructure is reducing the continent's production by about 40%. According to survey participants at the World Economic Forum last year, this "collapse of vital infrastructure" poses a significant danger to regional business.
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Imagine that you are planning to conduct field work and need to record earthquakes. What is the minimum number of seismometers you will need in order to locate the earthquakes?.
You will need a minimum of three seismometers in order to locate the earthquakes.
A seismometer is a device that detects vibrations in the ground brought on by explosions, volcanic eruptions, and earthquakes. A seismograph is typically made up of these along with a timing device and a recording device. Seismic waves are sent out into space during an earthquake.
Seismographs from at least three separate locations are required in order to pinpoint the epicenter of an earthquake. By turning the vibrations caused by seismic waves into electrical impulses, which we can subsequently display as seismograms on a computer screen, seismometers enable us to detect and monitor earthquakes. Seismologists research earthquakes and can utilize this information to pinpoint an earthquake's location and size.
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Which of the following forms as the result of chain migration?
Ethnic conflict
Urbanization
Ethnic enclave
Ghetto
Immigration quotas
The correct option is C- Ethnic enclaves. Many prerequisites probably generate ethnic enclaves. Portes and Rumbaut 2014 explains that ethnic enclaves may additionally appear when organizations of migrants are numerically large, when there is a concentration of capital, and when there is a giant surplus of migrant labor.
What is considered an ethnic enclave?In sociology, an ethnic enclave is a geographic place with high ethnic concentration, characteristic cultural identity, and financial activity. The time period is usually used to refer to both a residential location or a workspace with a high awareness of ethnic firms.
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If
you were to travel to a new location, you would need information about it
before you go. Which is an example of a question based on place?
A. How much will it cost to get there?
B. What kind of clothes should I take?
C. Where is it on a map?
D. How long will it take me to get there?
SUBMIT
Answer:
C
Explanation:
This is geography related and you should always know where a place is located before going to that new location! :))
Are Avocados still a product for organized crime in Mexico? If so, where and how much of the
industry is involved?
help help help helps
Which of the following moves at a very slow rate, yet is able to carve new geologic features like mountains and valleys?
OA. earthquakes
OB. glaciers
OC. volcanoes
OD. meteors
Tectonic Plates The tectonic plate borders on Earth are where the majority of volcanoes form. These plates are enormous slabs of the Earth's upper mantle and crust that fit together like a puzzle. These plates are not stationary; rather, they move slowly and continuously. They only relocate a few cm. annually.
Which has the capacity to sculpt new geological formations like mountains and valleys?
Where two continental plates clash, mountains are created. Due to their identical weight and thickness, neither plate will bury beneath the other. Instead, they fold and collapse, pushing the rocks upward to create a mountain range. Mountains will continue to rise in height as the plates continue to collide.
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What are some gains American women have made in recent decades? Check all that apply.
1- Women do have higher college graduation rates than men, as the number of dropouts is lower in women than men.
2- There are certain fields, depending on which country we are referring to, which are still restricted only to male individuals.
3- There are certain countries in which women an men are paid equally, but this is not the case in the United States of America, as the labour policies differ depending on each individual, which affects women.
4- This does not occur always, as it depends on each work contract. There are certain job positions which give women that benefit, but many others do not.
5- During the last decade, a significant number of women have reached job positions. This is due to the greater access to education women have, compared to previous ages.
6- This might be true for certain cases, but it is not the reality of most single-mothers. Most of them would struggle with their economic incomes as the costs of raising a child are quite high.
The average yield for wheat has increased 3 times in the last _______________ years.
The average yield for wheat has increased 3 times in the last 60 years.
The broad range in wheat production costs across the nation was due to variations in crop yields, cropping techniques, and the costs of land, labor, and capital assets. The variety in the types of wheat farmed in the United States, each with its own production methods and related expenses, is mostly due to regional climate variances. For instance, northern wheat growers opted for spring wheat varieties that were harvested in the fall because winter wheat, which was sown in the fall for summer harvest, would perish in the cold during its winter dormancy.
Farmers in regions with plentiful rainfall were able to increase their potential output by using high amounts of fertilizer. At the opposite end of the spectrum, some places possessed lands that required expensive irrigation in order to grow a wheat harvest.
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1. the slowly increasing distance between south america and africa is due to blank.target 1 of 7 2. old faithful geyser at yellowstone national park in the united states acquires its energy from a blank.target 2 of 7 3. layered blankexposed by erosion can be seen when looking at the grand canyon in the united states.target 3 of 7 4. australia is composed of relatively old and thick blank.target 4 of 7 5. the extremely deep ocean marianas trench is a result of blank.target 5 of 7 6. blankfound in the atlantic ocean between north america and europe is composed of dense and relatively young rock.target 6 of 7 7. the earthquakes that occur in southern california generally occur along a blank
1. Sea floor spreading is the cause of the gradually expanding distance between South America and Africa.
The idea of a moving seafloor and how it carries the continents with it was first proposed in 1960 by Harold Hammond Hess of Princeton University and Robert Dietz of the U.S. Naval Electronics Laboratory. This phenomenon is known as plate tectonics. At the mid ocean ridges, where it occurs, plates separate, causing seafloor spreading, which leads to the production of new sea floor.
2. A hotspot provides the energy for Old Faithful Geyser in Yellowstone National Park in the United States.
All of Yellowstone's well-known geysers are powered by a sizable subterranean hotspot, according to researchers. Hot molten rock is present beneath the Yellowstone.
that result in the eruption's pouring.
3. When viewing the Grand Canyon in the United States, one may see layered sedimentary rock that has been exposed by erosion.
Lava flow and horizontally stacked rocks make up the Grand Canyon. Grand Canyon contains over 40 significant sedimentary layers that range in age from 200 million to 2 billion years.
4. Australia is made out of a thick, comparatively old continental crust.
The continental crust of Australia measures an average of 38 km in thickness, excluding the thinner margins, with a range of 24 to 59 km.
5. Subduction is what created the Marianas Trench, an exceptionally deep ocean trench.
The oceanic trench is a depression in the ocean floor that is both lengthy and small in breadth.
The crescent-shaped Marianas trench is renowned for having some of the planet's deepest spots. When two plates collide and one thrusts beneath the other, subduction occurs.
6. Dense, relatively young rock makes up the seafloor crust in the Atlantic Ocean between North America and Europe.
The outermost layer of the earth's lithosphere, also known as the sea floor crust or oceanic crust, can be found in the vicinity of mid-ocean ridges or sea floor spreading.
7. Southern California earthquakes typically take place atop a fault.
Huge portions of the earth's crust are moving, which is what is causing these earthquakes.
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Relative dating ______ to determine the order in which geologic events occurred.
Relative dating uses geologic principles to determine the order in which geologic events occurred.
Without necessarily determining their absolute ages, relative dating is the science of figuring out the relative sequence of historical events (i.e., the age of an object in comparison to another) (i.e., estimated age). In geology, one stratigraphic column can be correlated with another using rock or surface deposits, fossils, and lithologies.
Prior to the early 20th century discovery of radiometric dating, which offered an absolute dating method, archaeologists and geologists utilized relative dating to ascertain the ages of materials.
Relative dating is nevertheless a helpful technique even though it can only tell you the order in which a set of events happened, not when they did. In certain ways, relative dating via biostratigraphy is more accurate and is the method of choice in paleontology.
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13
The graph below shows the yearly precipitation in Rocky Ford, Colorado since 1893.
24
22
20
18
driest 3-year period
on record
Wy!
1933 1943 1953 1963 1973 1983 1993 2003 2013
water year (October-September)
Image courtesy of NOAA
Based on the information in the graph, which of the following most likely occurred in Rocky Ford in 2013?
precipitation (in)
In meteorology, precipitation is any product of atmospheric water vapor condensation that falls under the gravitational pull of clouds.
What is precipitation ?Drizzle, rain, sleet, snow, ice pellets, graupel, and hail are the most common types of precipitation. When a portion of the atmosphere becomes saturated with water vapor (reaches 100% relative humidity), the water condenses and "precipitates" or falls.
Because the water vapor does not condense sufficiently to precipitate, fog and mist are colloids rather than precipitation. Two processes, possibly acting in tandem, can cause air to become saturated.
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the sea was formed by the enlargement of a river valley that was scoured by glaciers and then filled in by the sea. the sea was isolated from a larger sea, was reduced in size, and was flooded during sea-level rise.
The baltic sea was formed by the enlargement of a river valley that was scoured by glaciers and then filled in by the sea. The black sea was isolated from a larger sea, was reduced in size, and was flooded during sea-level rise.
The baltic sea is an expanded piece of shallow sea and part of the Atlantic sea and was formed as a result of the combination of large waterways and rivers that was later filled in by the sea.
It is attached to the white sea through artificial waterways and is stretched between 10°E - 30°E longitude and 53°N - 66°N latitude. Moreover, the sea is enclosed by Russia, Germany, Sweden, and Denmark.
On the other hand, about 10,000 years ago, the black sea was a freshwater lake.
However, according to marine geologists, it emerged about 7000 years ago as a result of structural upheavals in the Atlantic Ocean. It is also called the Mediterranean sea.
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HELP PLSSS
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in a biography
---------------------------
1
3
4
not in a biography
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5
6
2
Answer: in a biography
---------------------------
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1
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In california, what animal is now being used to help fight wildfires by eating dry brush?.
The archaeological approach that takes as its objective studying the way present-day societies use artifacts and structures to illuminate remains they have found is called.
Assemblage – A team of artifacts determined within the equal archaeological context (locus, matrix, stratum). Association – Objects discovered close to one some other in the equal context are stated to be in association.
What do archaeologists do when they discover an artifact?Archaeologists wash, sort, catalog, and shop recovered artifacts after bringing them returned from the field. They analyze character artifacts, however also might also kind them into groups to see patterns. For example, they might weigh all the oyster shells collectively or depend all the nails and consider them as one unit.
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https://brainly.com/question/681742#SPJ13in which ways is the carbon in limestone released back into the atmosphere? i. plants leach out the carbon in limestone and consequently release co2 after they are decomposed. ii. geologic processes bring the sediments to the surface, where they are attacked by o2 iii. acid rain dissolves limestone.
The correct answer is option ii.
The carbon in limestone is released back into the atmosphere through the geologic processes bringing the sediments to the surface, where they are attacked by O2.
In geology, the carbon cycle is a process through which carbon dioxide is repeatedly exchanged between the atmosphere, living organisms, and the hydrosphere to keep its levels sustained and balanced.
Carbon is an essential constituent of nature and is present in living organisms, matter, oceans, and the atmosphere in the form of carbon dioxide.
Furthermore, it is also stored in sediments and rocks under immense temperature and pressure also termed carbon sinks.
Geological processes such as weathering and precipitation decompose the organic matter or sedimentary rocks e.g. limestone as a result of which carbon dioxide is sent back to the atmosphere.
In general, carbon dioxide dissolves in oceans, and ocean water ventilates carbon dioxide back to air.
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Andrew is going on a hike to the top of a mountain. It will take 3 hours and 14 minutes to
hike up the mountain and 1 hour and 53 minutes to hike back down. If Andrew wants to
finish the hike by 1:48 P.M., what is the latest time he can start the hike up the mountain?
8:41 A.M.
11:55 A.M.
1:18 P.M.
2:03 P.M.
i need help on a 5- x =4 or i give 20 points
Answer:
x=-1
Explanation:
5-x=4
-5 -5
x=-1
Suppose you are on a ship sailing in the low latitudes. Write a paragraph explaining what might happen as you drift near the Equator.
The winds will gradually weaken until they stop as you float closer to the Equator. If you are in this area with very low wind, it would be preferable if you had access to a motor to help you move the boat.
Due to the curvature of the planet, temperatures decrease the farther a region is from the equator. On the east edges of continents, the humid subtropical climate is often found between 25° and 35° latitude. Additionally, temperatures drop as you travel farther from the equator.
Living near the equator will allow you to witness the world's fastest sunrises and sunsets, which only last a few minutes. Along with having a consistent twelve-hour day and night throughout the year, these locations also see less seasonal variation in day duration than regions north or south of the equator.
Scientists assert that there are several further reasons for hope in equatorial nations. They claim that because the area is on the western side of subtropical anticyclones, the Atlantic Ocean provides warm, humid air to the area. As a result, Brazil's tropical borderlands are particularly fruitful for farming.
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energy from the sun drives the earth’s climate and weather. the most intense solar radiation arrives at the equator. solar radiation leads to the greenhouse effect, which is essential for life on earth. (a) there is evidence that global climate change over the past 100 years has led to an increased warming of earth because of the greenhouse effect. (i) describe how the solar radiation that arrives at the equator is redistributed around the earth through atmospheric circulation.
Answer:
Explanation:
The Sun doesn’t heat the Earth evenly. Because the Earth is a sphere, the Sun heats equatorial regions more than polar regions. The atmosphere and ocean work non-stop to even out solar heating imbalances through evaporation of surface water, convection, rainfall, winds, and ocean circulation. This coupled atmosphere and ocean circulation is known as Earth’s heat engine.
unequal heating forms Hadley cells that redistribute heat
-unequal heating forms convection currents that redistribute heat
-unequal heating forms wind currents that redistribute heat
-unequal heating alters ocean currents that redistribute heat
The climate’s heat engine must not only redistribute solar heat from the equator toward the poles, but also from the Earth’s surface and lower atmosphere back to space. Otherwise, Earth would endlessly heat up. Earth’s temperature doesn’t infinitely rise because the surface and the atmosphere are simultaneously radiating heat to space. This net flow of energy into and out of the Earth system is Earth’s energy budget.
The Earth is not heated uniformly by the Sun. The Sun heats equatorial regions more than polar parts because the Earth is a spherical.
What drives Earth climate and weather ?Through the evaporation of surface water, convection, precipitation, winds, and ocean circulation, the atmosphere and ocean continuously attempt to balance out solar heating imbalances. The Earth's heat engine is this circulation of the ocean and atmosphere together.
Uneven heating patterns Heat redistribution Hadley cellsConvection currents caused by uneven heating transfer heat.Wind currents caused by uneven heating redistribute heat.Uneven heating changes ocean currents, which redistributes heat.The heat engine of the climate must return heat from the Earth's surface and lower atmosphere to space in addition to redistributing solar heat from the equator toward the poles. Otherwise, the planet would continue to heat up. The heat of the planet because heat is simultaneously being radiated into space from the surface and the atmosphere.
The Earth's energy budget is represented by this net energy flow into and out of the system.
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can anyone please help me
Answer: the answer is "most people have a common language or ancestry."
Explanation:
tornado deaths in the united states have been dropping over the last nine decades. in addition to some improvements in building codes, what accounts for this decline?
The United States reviews the maximum tornadoes of any united states withinside the world: extra than 1,000 in keeping with yr. were mentioned each yr. considering that 1990 withinside the U.S. This excessive depend on twisters' effects ordinarily from the united States's topography, which capabilities a massive imperative center with extraordinarily flat terrain.
There are 3 fundamental components wanted for thunderstorm development: moisture, a risky environment, and a few manners to begin the environment moving. Moisture is important to provide the tornado clouds and precipitation.
The Enhanced Fujita Scale or EF Scale, which have become operational on February 1, 2007, is used to assign a twister a 'rating' primarily based totally on anticipated wind speeds and associated damage.
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Which weather conditions should be expected beneath a low-level temperature inversion layer when the relative humidity is high?.
Smooth air, poor visibility, fog, haze, or low clouds should be expected beneath a low-level temperature inversion layer when the relative humidity is high.
Humidity is the concentration of water vapor gift inside the air. Water vapor, the gaseous nation of water, is usually invisible to the human eye. Humidity indicates the likelihood for precipitation, dew, or fog to be a gift. Humidity relies upon the temperature and strain of the gadget or the hobby. The same amount of water vapor results in higher relative humidity in cool air than in warm air. An associated parameter is the dew point. The quantity of water vapor had to reap saturation increases because the temperature will increase. As the temperature of a parcel of air decreases it will subsequently reach the saturation point without adding or dropping water mass. The amount of water vapor contained inside a parcel of air can vary significantly. As an instance, a parcel of air near saturation may include 28 g of water per cubic meter of air at 30 °C (86 °F), however most effective eight g of water according to a cubic metre of air at eight °C (forty-six °F).
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what phenomena cause volcanic explosions? choose one or more: a. low silica content b. groundwater coming into contact with magma c. earthquakes d. water being heated by magma e. gas in the magma f. low-viscosity magma
Volcanic explosions are caused by gas in the magma. Option e is the correct response.
Although several factors can cause a volcanic eruption, three dominate: magma buoyancy, pressure from exsolved gases in the magma, and the injection of a new batch of magma into an already filled magma chamber.A volcanic eruption occurs when lava and gas are expelled from a volcano, sometimes violently. A 'glowing avalanche,' which occurs when freshly erupted magma flows down the sides of a volcano, is the most dangerous type of eruption. The most violent eruption in recorded history occurred at the La Garita Caldera in the United States. It happened 2.1 million years ago and created a 35 x 75 km crater, drastically altering the climate on the planet.
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Barometers have long been used to predict the weather. Lucia and Kimberly are recording the class weather data each day in March. This morning.
they tapped the barometer and noticed that the indicator needle did not move.
What clue did the barometer give the boys about the day's weather?
A
B
C
A severe storm is approaching.
The barometer holding steady means a big change in the weather.
The stillness means a tornado is approaching.
D
The barometer holding steady means present weather should continue.
The boys got to know the day's weather would persist as the barometer holding steady means present weather should continue. The correct answer would be option D.
A barometer is a device that measures the variation in air pressure with altitude. In the year 1643, an Italian scientist named Evangelista Torricelli developed the barometer. He investigated the properties of mercury in a vacuum and developed the first barometer based on this research.
Every barometer should be lightly tapped before reading. Gently touch the glass while keeping an eye on the indication needle to see which way it moves. Whether the pressure is mounting or declining should be your first concern when reading a barometer. If the needle does not fluctuate, the barometer is "keeping steady," and the weather should stay the same.
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Im pretty sure its weather, am i correct? if not, please explain why
Answer:
ocean currents
Explanation:
weather does cuz if its hot the climate would becone warmer and more humid and dry
that make sense?
Imagine that you are planning to conduct field work and need to record earthquakes. What is the minimum number of seismometers you will need in order to locate the earthquakes?.
Answer:
Three seismographs
Explanation:
Three seismographs are needed. A circle is drawn from each of the three different seismograph locations, where the radius of each circle is equal to the distance from that station to the epicenter. The spot where those three circles intersect is the epicenter (Figure 13.12).
why is coe creek moving northeast?
Answer: drains storm water from three square miles.The west fork headwaters drain part of The Ridges of Park wood, part of Park wood Village.
Explanation:
May someone please help me! I have to submit this tonight and do not know how to do it or the answer may you please help me thank you.
Answer:-2/2=-1
Explanation:
It would be-2/2 because you have to go down 2 and to the right 2 so it would be -2/2 which equals to -1
Answer: -3/2
Explanation: I think the answer is -3/2 because in order to find the slope you have to find two perfect points , I think we use rise/run but in this case the graph is decreasing is going down 3 and run 2 .