The ozone destroying pollutants primarily comes from air conditioner coolants, refrigerator coolant, aerosol spray, and plastic foam. *
true

false

Answers

Answer 1

Answer:

true

Explanation:

Chlorofluorocarbons or CFCs are the main cause of ozone layer depletion. These are released by solvents, spray aerosols, refrigerators, air-conditioners, etc. The molecules of chlorofluorocarbons in the stratosphere are broken down by the ultraviolet radiations and release chlorine atoms.


Related Questions

Why did Gregor Mendel use peas in his experiments?
Peas grow very slowly.
Pea reproduction cannot be controlled.
Peas normally produce very few offspring.
Peas have characteristics that have two forms.

Answers

Answer:

He used peas because they are self pollinating,they grow fast,and they have many traits

Answer:

D. Peas have characteristics that have 2 forms

Explanation:

Edge 2022.

7. What biological process occurs after there has been a disturbance such as a flood, or a tornado-in an established ecosystem?

Answers

Answer: Ecological disturbance, an event or force, of nonbiological or biological origin, that brings about mortality to organisms and changes in their spatial patterning in the ecosystems they inhabit. Disturbance plays a significant role in shaping the structure of individual populations and the character of whole ecosystems.

Explanation:  Source where I got the answer from: https://www.britannica.com/science/ecological-disturbance

You can copy the link and paste.put it in the search and click and there you go.

Why do negative essay results not always mean Michael is absent

Answers

Answer:

I think you mean molecule not Michal so the answer is: the concentration of the molecule may be too low to be detected

Explanation:

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP



Answers

it’s the option D i think

If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?
O The rate would increase.
The rate would decrease.
O The rate would remain the same.
O The rate would be zero

Answers

The answer is the rate would increase, hope this helps.

all prokaryotes are single-celled organisms. compare prokaryotes and eukaryotes. select the characteristics that only apply to prokaryotes.
•these cells contain membrane bound organelles.
•these cells have DNA contained in nucleus.
•these cells have DNA in a region called the nucleoid.
•some of these cells have structure like flagella and microvilli.
•these cells have cell walls made of polypeptides and polysaccharides.
•these cells have cell walls made of cellulose.

Answers

These cells have DNA in a region called the nucleoid.

-Some of these cells have structures like flagella and microvilli.

-These cells have cell walls made of polypeptides and polysaccharides.

Answer:

These cells have DNA in a region called the nucleoid.

-Some of these cells have structures like flagella and microvilli.

-These cells have cell walls made of polypeptides and polysaccharides.

Explanation:

Mushrooms are a type of fungus. What characteristic of fungi makes them different from plants?
A. Fungal cells are eukaryotic.

B. Fungi are multicellular.

C. Fungi are heterotrophic.

D. Fungi have cell walls.

Answers

Answer:

C. Fungi are heterotrophic.

Explanation:

Mushrooms are a type of fungus. Fungi are heterotrophic, this characteristic of fungi makes them different from plants.

Question 5 of 10
Which is caused by the uneven heating of air?
A. Altitude
B. Wind
C. Humidity
D. Rain
SUBMIT
Need help ASAP

Answers

Answer:

B. Wind

Explanation:

Wind is the movement of air, caused by the uneven heating of the Earth by the sun and the Earth's own rotation. Winds range from light breezes to natural hazards such as hurricanes and tornadoes.

The
store(s) more carbon than the atmosphere.
O rock
trees
oceans
Osoil

Answers

Answer:

Oceans

The oceans are a massive carbon sink, and part of the positive reinforcement of the greenhouse gas cycle is that, as the oceans become warmer, then tend to release more carbon dioxide dissolved in the water which in turn drives temperatures warmer.

what is the primary source of engery in a food chain ?​

Answers

The sun is the primary source of energy

Which of the following features exposed during glacial periods but covered by ocean water during non-glacial periods?

Answers

Answer:

Continental shelf

Explanation:

I checked in lesson also took the exam.

continental shelf exposed during glacial periods but covered by ocean water during non-glacial periods.

What is a continental shelf?

The undersea boundary of a continent is known as a continental shelf. The seven major divisions of land on Earth are called continents. From a continent's shoreline to a point known as the shelf break, a continental shelf runs.

Due to its relative accessibility, the continental shelf is the area of the ocean floor that is most understood. The continental shelf is where the majority of commercial sea resource extraction occurs, including the extraction of hydrocarbons, non-metallic ore, and metallic ore.

Thus, the continental shelf is exposed during glacial periods but covered by ocean water during non-glacial periods.

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The cell membrane controls what enters and leaves the cell. Which of the
structures in the diagram below is the cell membrane?
E
F
B
Ο Α.Ε
OB. A
Ос. В
ODC

Answers

C shows the structure of the cell membrane

What would happen if there were no greenhouse gases to trap heat?

Answers

Answer:

The Earth would be covered in ice and be about -18°C in temperature.

Explanation:

Greenhouse gases in the air, mainly carbon dioxide, methane and water vapour, trap radiation from the Sun and work as a thermal blanket around the planet. Without the Greenhouse effect, the Earth would be ice-cold.

What is a pioneer species? (Will give brainiest)

Answers

Answer:

The first species to colonize an ecosystem that is previously damaged or disrupted. Supplement. Pioneer species is the first to colonize an ecosystem previously disturbed or damaged. For example, sand that has become barren is colonized by a pioneer species of lyme grass (Leymus arenarius)

Explanation:

The arrows in a food chain show: a Who eats who b Heat energy being lost c The movement of energy between organisms d The route of food to the shops

Answers

Answer:

c The movement of energy between organisms

Explanation:

Pyramid of energy is a model used to depict the flow of energy from one trophic level or feeding level to the next in an ecosystem. It's a diagram that compares the energy used by organisms at each trophic level of the food chain. The pyramid of energy must never be inverted or turned upside down.

The units used in the construction of pyramids of energy is kilocalories (kcal) or energy per area per time (Jm-²year-¹).

This ultimately implies that, the arrows in a food chain show the movement of energy between organisms such as from producers which are autotrophs or self-feeders such as plants to the tertiary consumers.

Furthermore, a list of the types of organisms in an eco pyramid are;

I. Producers: these are autotrophs or self-feeders such as plants.

II. Primary consumers: these are herbivores that typically feed on plants such as a goat or deer.

III. Secondary consumers: these consists of carnivores that typically feed or eat flesh such as lion, tiger, cheetah, etc.

IV. Tertiary consumers: these are higher predators such as humans that aren't normally fed on by other organisms in the ecosystem.

Answer: The arrows in a food chain show (The movement of energy between organisms). The correct option is C.

Explanation:

In an ecosystem, a food chain shows the transfer of energy and nutrients ( food) from organisms to organisms in a feeding pathway. Instead of giving functional group names such as primary producer, primary consumer and so on, in a good chain, the organism at each step is identified. Thus,

Grass-------> Zebra ---------> lion

(Primary (Primary ( secondary

producer). consumer) consumer)

this is an example of a simple food chain in a grassland ecosystem. This ARROWS represented above shows the direction of energy flow through an ecosystem.

Furthermore, the grass traps solar energy and stores it as chemical energy in the food made during photosynthesis. When eaten by Zebra, which is the primary consumer, the energy stored in the grass is transferred to the consumer. This transfer is inefficient as some of the stored chemical energy is lost as heat. When the zebra is eaten by a Lion,which is the secondary consumer.

The diagram below indicates the nucleus of an animal cell. nucleus Image courtesy of NIGUSNIH How does the nucleus of the cell contribute to the overall function of the cell? A. The nucleus changes sunlight to cellular food. B. The nucleus makes energy for the cell. C. The nucleus provides structural support for the cell. D. The nucleus regulates all cellular activity.​

Answers

Answer:

D. The nucleus regulates all cellular activity

Answer: D. The nucleus regulates all cellular activity

The principal reason we consider tunicates similar to the ancestor of all chordates is that Select one: a. tunicates have a lophophore-style mouth. b. tunicate adults are very similar to the ancestors of cephalochordates and vertebrates. c. tunicate larvae are primitive in all of their features. d. tunicate larvae possess the synapomorphies of adult chordates and thus reveal close evolutionary relationships with chordates. e. the body plan of adult tunicates parallels that of chordates.

Answers

Answer:

d. tunicate larvae possess the synapomorphies of adult chordates and thus reveal close evolutionary relationships with chordates.

Explanation:

In evolutionary biology, a synapomorphy is a shared, derived character/trait which is present in an ancestor and its descendants. Synapomorphies are useful markers to establish phylogenetic relationships between sets of taxa. Tunicates (subphylum Tunicata) are sessile marine invertebrates that are considered chordates (phylum Chordata) because the larval stage has characters/traits that are similar to other chordates. Larval tunicates have a nerve cord, a notochord, tail and gill slits (conserved in adults).

How many amino acids must be obtained in the diet because they cannot be made by the body?
2
5
10
20

Answers

amino acids we obtained in the diet about 10

What is the function of hemoglobin?

A. to carry oxygen

B. to carry carbon dioxide

Answers

A. To carry oxygen

hope it is helpful to you

Answer is A. Because hemoglobin (Hb) is a metalloprotein found in red blood cells. Red blood cells transport Oxygen throughout the body.

It is projected that an increase in carbon dioxide levels in the atmosphere will MOST LIKELY lead to _____.
Select one:
a. lower-than-average hurricane rates
b. higher-than-average ice levels in arctic
c. higher-than-average sea levels
d. lower-than-average ocean temperatures

Answers

I think is answer A, not to sure

Which of the following is not true about renewable energy sources?


They do not pollute the air.

They can help save energy costs.

They do cause an increase in greenhouse gases.

They do not use up a finite supply of a resource.

Answers

Answer:

They do cause an increase in greenhouse gases.

Explanation:

Renewable resources are the resources that are available in abundance that do not have adverse effect to the nature. These resources are available in abundance and they are not subject to extension. They are also said to be known as clean energy. renewable energy is obtained by the renewable resources. The pollution is caused minimal and the energy is saved by the use of renewable resources.

Answer:

C. they do an increase in greenhouse gases

Explanation:

Which of the following statements accurately describes the rock cycle?

Question 1 options:

A. Sedimentary, igneous, and metamorphic rocks are formed and broken down


B. The rock cycle only describes the formation of rocks, not the transportation or deposition


C.The rock cycle only describes the formation of rocks above ground


D.The rock cycle only describes how igneous rocks are formed

Answers

Answer: The Answer would be A

Explanation:

DNA is a
A. lipid

B. nucleic acid

C. carbohydrate

D. protein

Answers

Answer:

B

Explanation:

Answer:

B. nucleic acid

Explanation:

DNA is a type of Nucleic acid.

The graph below shows the population of mice living in a certain area over fifteen years Which numeral on the graph points to a time when the birth rate exceeded the death rate of the mice?

I

II

III

IV​​

Answers

Answer:

I

Explanation:

In section I, the graph has a positive slope.

Birth rate - death rate = positive, the birth rate is more than the death rate

Sections II and IV have a balanced population where the birth and death rate are the same

In section III the death rate exceeds the birth rate

The numeral I on the graph points to a time when the birth rate exceeded the death rate of the mice.

What is death rate?

The mortality rate, also known as the death rate, is a measure of the number of deaths in a given population per unit of time, scaled to the population's size.

The birth rate is the number of people born in a population in a given period of time. The number of people born per year per 1000 in the population is referred to as the human birth rate.

In section I, the graph has a positive slope. Birth rate and death rate difference is positive here, it means the birth rate is more than the death rate.

Sections II and IV have a balanced population with the same birth and death rates. Section III has a higher death rate than a higher birth rate.

Thus, the answer is numeral I.

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How are the melting and boiling point of steel pot useful to us

Answers

Answer:

Explanation:

Pot metal is generally used for parts that are not subject to high stresses or torque. Items created from pot metal include toys, furniture fittings, tool parts, electronics components, automotive parts, inexpensive jewelry.

The melting and boiling point of steel pot useful to us as it can be changed via need of product.

Pot steel is normally used for elements that aren't concern to excessive stresses or torque. Items constituted of pot metallic consist of toys, fixtures fittings, device elements, electronics components, automobile elements, less expensive jewelry.

What is boiling factor ?

The boiling factor of a liquid varies in keeping with the carried out strain; the everyday boiling factor is the temperature at which the vapour strain is identical to the same old sea-degree atmospheric strain (760 mm [29.92 inches] of mercury). At sea degree, water boils at 100° C (212° F).

Thus it is well explained.

To learn more about the melting point refer to link :

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which definition goes where idefk I’ll give u brainlist biology teacher driving me nuts omfmsjajhahwahsn

Answers

Primary succession- soil needs to be rebuilt
Secondary succession- soil is still present
Pioneer succession- first species to arrive at an uninhabited environment

Lmk if this helped!

5
Select all the correct answers.
Which situations describe an elastic collision?
Two glass marbles bounce off each other.
Rodrick flops onto his sofa and sinks into the cushion.
ОООО
A tossed water balloon flattens when it lands on the grass.
A bowling ball knocks over five pins.
Reset
Next

Answers

Answer: A tossed water balloon flattens when it lands on the grass.

Can you guys please help me? I really need to finish this asap. Thanksssss <3


At one time, scientists classified fungi as non-photosynthetic plants. What is one characteristic of fungi that led scientists to realize that fungi are not plants?


a. Their cells do not contain nuclei.

b. Their cell walls contain chitin.

c. Some live in symbiotic relationships.

d. They reproduce both sexually and asexually.

Answers

Answer:

b

Explanation:

their cell walls contain chitin unlike plant cell walls which contain cell walls

Which genotype represents a heterozygous?

hh

HH

Hh

Answers

An organism with one dominant allele and one recessive allele is said to have a heterozygous genotype. This would be Hh.

Answer:

Hh

Explanation:

Hh genotype represents a heterozygous.

a) ¿Qué son las enzimas y por qué se las denomina catalizadores biológicos?

Answers

Answer:

las enzimas son proteínas y aceleran reacciones químicas.

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