PLSS HELP ,, - - - A group of students were testing different insulators. They used three metal cans, one wrapped with bubble wrap, a second with a paper towel, and third unwrapped. Equal amounts of hot water were poured into each can and the temperature was noted at definite time intervals. The data is shown in the table.
From the data what can you conclude which is the best insulator?


Aluminum can wrapped with paper towel


Just the aluminum can


Aluminum can wrapped with bubble wrap

Answers

Answer 1

Answer:

Without the table, I can't be 100% certain, but I'm sure that your answer is C). It would only make sense, considering the fact that if bubble wrap is being used, you've put 2 layers of plastic and one layer of trapped air between the can and the hand of those who hold it, thus reducing the amount of thermal energy transfer.


Related Questions

SOMEONE PLZ HELP ME !!!!!!!!!!!!!!!!!!

Answers

Answer:

plant :)

Explanation:

The cell cycle is highly regulated and involves many steps to ensure that a cell is ready to divide. For this reason, cells cycle between interphase and mitosis. Suppose a cell culture of 1,000 cells is grown, in which the cells cycle every 24 hours. For a single cell, it takes about two hours from the formation of the dissolution of the nuclear envelope to the separation of two daughter cells.

Which of the following best describes the approximate number of cells in the culture that are in interphase, as well as the consequence of the severe disruption of interphase in mitotic division of cells within a tissue?

A) There are approximately 917 cells in interphase. Disruption of interphase will have no effect on mitosis because they are two completely independent processes.
B) There are approximately 83 cells in interphase. Disruption of interphase will lead to a faster and more efficient mitotic cycle, which will result in increased cell division and tissue growth.
C) There are approximately 917 cells in interphase. Disruption of interphase will trigger the cell to switch to a mitotic phase and repeatedly divide, which will result in the massive proliferation of the cells and heightened tissue growth.
D) There are approximately 83 cells in interphase. Disruption of interphase will result in the cell being unable to synthesize proteins and organelles required to divide, which will result in the cell not passing key checkpoints and ceasing to divide.

Answers

Answer:

The two major phases of the cell cycle include mitosis (cell division), and interphase, when the cell grows and performs all of its normal functions. Interphase is further subdivided into G1, S, and G2 phases. After the synthesis phase, the cell proceeds through the G2 phase.

Explanation:

Answer:

I believe it is the first one not 100 percent tho

Explanation:

When our brain fills in missing pieces, this is called:

Answers

Answer:

I think it's called 'filling in'

Explanation

Hope this helps :)

Answer:

I think its called resoration

What is a vein in rock?

Answers

Answer:

Vein, in geology, ore body that is disseminated within definite boundaries in unwanted rock or minerals (gangue). The term, as used by geologists, is nearly synonymous with the term lode, as used by miners. There are two distinct types: fissure veins and ladder veins.

Explanation:

Material deposits known as geological veins are created when an existing rock fracture is filled with a new mineral.

How rock veins are formed?

   

They are fascinating to planetary scientists because they frequently reveal information about historical water flow. For instance, a lot of rocks have natural pores.

A vein in geology is a distinctive sheet-like body of mineral crystals embedded into a rock. When precipitation occurs, mineral components that are transported by an aqueous solution within the rock mass are deposited as veins.  

Therefore, it is thought that aqueous solutions carrying different elements migrate through rock fissures and deposit their load onto the fissure walls when vein deposits occur, rising water that is hot.

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if today's first high tide is at 7:00 AM, what time will today's next high tide be? Please do not troll. . . . I have already asked this question like 7 times already and got no answer, except foolishness. Please. :(

Answers

7:25 pm. High tides are 12 hours and 25 mins apart. So 12 hours from 7:00 am is 7:00 pm, add 25 mins and you have 7:25 pm. Hope this helps! ;)

What is the contour interval of this map?

Answers

Answer:bird creek

Explanation:

What makes you throw up? Explain why and how you know.

Answers

school pizza makes me throw up it just tastes so fake yk

Answer:

Explanation:

causes of vomiting in adults include: Viruses (gastroenteritis, aka “stomach flu”) and bacteria (food poisoning). Overindulgence (drinking too much alcohol or smoking too much marijuana). Medical conditions (pregnancy, motion sickness, migraines, vertigo).

Digestion of an unlabeled carbohydrate results in increased amounts of the monosaccharides glucose and galactose. Which is most likely to be the original, unlabeled carbohydrate?

Answers

Answer:

lactose  

Explanation:

Lactose is a disaccharide sugar made up of glucose and galactose monosaccharide subunits. In lactose, galactose and glucose molecules form a covalent glycosidic bond denoted as an (β-1→4) glycosidic bond. Lactase is an enzyme that hydrolyzes lactose into glucose and galactose, which can be then absorbed into the bloodstream by the cells lining the small intestine. In an alkaline solution, lactose may also isomerize to generate a mixture of lactulose (20-30%) and lactose (70-80%).

what is the difference between the spermatozoon and spermatogonium?​

Answers

Answer:

Sperms are the male gametes produced in the seminiferous tubules of the testes. The main difference between spermatogenesis and spermiogenesis is that spermatogenesis is the formation of sperm cells whereas spermiogenesis is the maturation of the spermatids into sperm cells.

Pls give Brainliest!!

what are the different components at Ecosystem?​

Answers

Answer:

abiotic constituents, minerals, climate, soil, water, sunlight, and all other nonliving elements, and its biotic constituents,

Explanation:

A colleague has used computer modeling to design an improved enzyme. To produce this enzyme, the next step is to:___________.
A) look for a bacterium that makes the improved enzyme.
B) mutate bacteria until one makes the improved enzyme.
C) determine the nucleotide sequence for the improved enzyme.
D) synthesize the gene for the improved enzyme.
E) use siRNA to produce the enzyme.

Answers

Answer:

C) determine the nucleotide sequence for the improved enzyme.

Explanation:

Computational enzyme design (CED) can be defined as a bioinformatic in silico approach used to model, construct, and enhance enzyme catalysis. CED uses complex optimization algorithms that enable to direct evolution by using computational systems. As a further step, after the modelization of optimal enzymatic activity, bioinformaticians require to determine the nucleotide sequences which will be subsequently used to synthesize the corresponding enzymes.

Compare the normal allele for hemoglobin with the sickle cell allele. How does this difference affect the person’s red blood cells?

Answers

Answer:

Sickle cell anemia is an inherited condition in which there aren't enough healthy red blood cells to carry oxygen through an individual's body. The red blood cells of a healthy individual are flexible and round, and they move through blood vessels with no problem, transporting oxygen successfully. However, a person with sickle cell anemia has rigid, sticky red blood shaped like sickles or crescent moons. These cells often get stuck in small blood vessels, which can slow or block blood flow and oxygen delivery to different parts of the body.

The sickle cell anemia trait is found on a recessive allele of the hemoglobin gene, while the regular red blood cell trait is found on the dominant allele. This means that a person must have two copies of the recessive allele (one from their mother and the other from their father) to be born with this condition. People who have one dominant and one recessive allele or both dominant alleles will have healthy red blood cells.

Which of the following is a biotic factor?

A) Sunflower
B) Carbon dioxide
С) Soil
D) Sunlight

Answers

Answer:

A) Sunflower

Explanation:

Answer:

a) sunflower

Explanation:

because it is a living thing.

Wild diploid wheat has seven chromosomes in its pollen. Discuss the major events that had to occur for tetraploid pasta wheat to have evolved. Describe the genome and fertility of pasta wheat (number and kinds of chromosomes).

Answers

Answer:

Tetraploid wheat evolved by allopolyploidization and subsequent diploid-like behavior due to cytological diploidization

Explanation:

Durum wheat (Triticum durum) or pasta wheat, is a tetraploid wheat species that has 28 chromosomes, i.e., seven pairs in each genome (2n = 4x = 28). Durum wheat was domesticated from wild emmer wheat, which originated by hybridization of two diploid wheat species with 14 chromosomes: Triticum monococcum (genome AA) and one wild progenitor (genome BB). Triticum durum is a typical example of evolution by hybridization and polyploidization, where the resultant tetraploid species has two complete sets of chromosomes. Allopolyploidization is one of the most common types of plant speciation. During meiosis, 28 chromosomes form 14 homologous chromosome pairs, because homologous chromosomes have developed 'restriction of pairing' (i.e., cytological diploidization). The restriction of pairing to fully homologous chromosomes ensures a correct meiotic behavior, which otherwise would be altered due to the high level of homology that still exists among chromosomes from different wheat progenitors.

Which of these zones of the ocean is deepest?
A. Abyssopelagic
B. Epipelagic
C.Hadalpelagic
D. Bathypelagic

Answers

hadalpelagic is the zone of the ocean is deepest.

Two genes interact to produce various phenotypic ratios among F2 progeny of a dihybrid cross. Design a different pathway explaining each of the F2 ratios below, using hypothetical genes R and T and assuming that the dominant allele at each locus catalyzes a different reaction or performs an action leading to pigment production. The recessive allele at each locus is null (loss-of-function). Begin each pathway with a colorless precursor that produces a white or albino phenotype if it is unmodified. The ratios are for F2 progeny produced by crossing wild-type F1 organisms with the genotype RrTt. Which statement is correct? 12/16 white: 3/16 green: 1/16 yellowA) At least one copy of both dominant alleles results in white; at least one copy of one of the dominant alleles also results in white, but at least one copy of the other dominant allele produces green; and the absence of either dominant allele produces yellow.B) If both dominant alleles are present, the result is green. At least one copy of one specific dominant allele is required for yellow. If that dominant allele is not present, the result is white, regardless of whether the other dominant allele is present.C) At least one copy of each dominant allele results in white, at least one copy of either dominant allele produces green, and the absence of either dominant allele produces yellow.

Answers

Answer:

wow ang haba naman yan broo hirap basahin

A study was conducted to understand the factors controlling the rate at
which molecules or ions travel across cell membranes. An artificial
membrane was created that was composed of a phospholipid bilayer only.
The speed at which various substances crossed this membrane was
measured. Some substances can pass through an actual cell membrane
much faster than they passed through the artificial membrane in this study
Which of the following statements best explains this finding?"

a) Actual cell membranes have a much thicker phospholipid bilayer than the artificial
membrane does

b) Actual cell membranes have a variety of proteins embedded in the membrane that are
absent in the artificial membrane

c) Hydrophobic substances spend more time between the two layers of phospholipid in
the artificial membrane than they do between the layers in an actual membrane

d) Hydrophilic substand spend more time attached to the polar region of the
phospholipids in the artificial membrane than they do attached to the polar region of
the phospholipid in an actual membrane

Answers

Answer:

b) Actual cell membranes have a variety of proteins embedded in the membrane that are

absent in the artificial membrane

Explanation:

please help me with this question:)

Answers

true now give me brainliest thx

Answer:

The answer is true

Explain how exercise and an active lifestyle can improve bone health
and bone density.

Include discussions of osteoblasts vs.
osteoclasts, osteoids, osteocytes, collagen, bone modeling, impact
and increased workload, glucocorticoid effects, mineral intake, or
underloaded bone.

Answers

Explanation:

explain how exercise and an active Lifestyle can improve bone health and bone density include discussions of

What are de clinical sings in equine sinovitis

Answers

Answer

Clinical signs include fetlock joint effusion, firm swelling over the dorsoproximal aspect of the fetlock joint, lameness, and decreased range of motion and a positive response to firm flexion of the fetlock. Diagnosis can be suspected by palpation

Why is meiosis important for organisms?
It allows for genetic variation among organisms.
It determines which genes are dominant and which are recessive.
It produces genetically identical cells.
It provides a means of asexual reproduction?

Answers

Answer:

It allows for genetic variation among organisms.

Explanation:

Answer:

It allows for genetic variation among organisms.

Explanation:

meiosis is the process of chromosomal reduction which allows the production of haploid germ cells necessary for sexual reproduction. Meiosis is furthermore important for its role in enabling genetic diversity and facilitating the repair of genetic defects through recombination

what are the density of deep ocean currents are effected by​

Answers

Answer: Deep ocean currents are density-driven and differ from surface currents in scale, speed, and energy

Explanation:

Using the Venn Diagram provided, which of these statements could you add to "A?

Answers

Answer:

I would say the correct answer is c

Explanation:

The statement that could be added to A is phosphate. The correct option is B.

What is DNA?

Deoxyribonucleic acid is a polymer made up of two polynucleotide chains that coil around each other to form a double helix that contains genetic instructions for the development, functioning, growth, and reproduction of all known organisms and viruses. Nucleic acids include DNA and ribonucleic acid.

The fraction of the DNA double helix that supplies structural support to the molecule is known as the phosphate backbone.

The DNA molecule is made up of two strands that wind around each other like a twisted ladder. Each strand has an alternating backbone of sugar (deoxyribose) and phosphate groups.

A nucleotide is made up of a sugar molecule (ribose in RNA or deoxyribose in DNA) linked to a phosphate group and a nitrogen-containing base.

Thus, the correct option is B.

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For the last 30 years, human use of fertilizers has had a significant impact on the nitrogen

cycle. Which statement explains how fertilizers impact an ecosystem?

O Fertilizers increase the amount of fixed nitrogen available in the ecosystem.

O Fertilizers decrease the amount of nitrogen fixed by organisms living in the ecosystem.

O Fertilizers kill off important nitrogen fixing bacteria.

Fertilizers decrease the amount of fixed nitrogen available in the ecosystem.

Answers

Answer:

It's C

Explanation:

Hope this helped :)))

The fertilizers show a significant impact on the nitrogen cycle as the fertilizers kill off the important nitrogen fixing bacteria which are present in the soil. Thus, the correct option is C.

What is Nitrogen cycle?

Nitrogen Cycle is a biogeochemical process through which the nitrogen present in the environment is converted into many different forms, consecutively passing from the atmosphere to the soil to the living organisms and back into the atmosphere after decomposition. It involves several processes including the nitrogen fixation, nitrification, denitrification, decay and putrefaction of the nitrogen compounds.

Intensive fertilization of the agricultural soils of normal soil can increase the rates at which nitrogen in the form of ammonia is volatilized in the environment and lost to the air. It can also speed the microbial breakdown of ammonium and nitrates in the soil which results into enhancing the release of nitrous oxide. In addition to this, excessive use of fertilizers also kills the nitrogen fixing bacteria present in the soil.

Therefore, the correct option is C.

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How does heat affect enzymes?

Answers

Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. However, extreme high temperatures can cause an enzyme to lose its shape (denature) and stop working. pH: Each enzyme has an optimum pH range. ... Extreme pH values can cause enzymes to denature.

Answer:

Temperature

Explanation:

Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. However, extreme high temperatures can cause an enzyme to lose its shape (denature) and stop working. pH: Each enzyme has an optimum pH range. Extreme pH values can cause enzymes to denature.

SOMEONE PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

The answer is eukaryotes

Explanation:

This is correct because prokaryotes means NO nucleus And Eukaryotes means yes it does have a nucleus

Pro-No

Eu-Yes

Answer:

Eukaryotes

Explanation:

A marble has a mass of 11.8 g. It has a volume of 3.7 cm3. What is the density of the marbl

Answers

Answer:

11.8/3.7= 3.1891891892

Explanation:

Divide 11.8 by 3.7 and instead of putting all of the numbers, just put 3.18

Which process plays an important role in the cycling of both carbon and nitrogen? photosynthesis transpiration decomposition respiration

Answers

Answer: C

Explanation:

Decomposition plays a major process to cycle the carbon and nitrogen due to dead matter, hence option c is correct.

What is the cycling of carbon and nitrogen?

The biogeochemical cycles of carbon and nitrogen are all in plants and animals when dies bacteria decompose it and release nitrogen and carbon into the soil.

They depict how the elements travel through the Earth's life and nonliving constituents. The elements of life—carbon, and nitrogen pass through living things and nonliving things alike without ever being consumed.

Nitrification is the process by which bacteria convert ammonium into nitrates. Then, the plants may take up nitrates. It is through assimilation that plants obtain nitrogen, roots take up nitrates from the soil.

Therefore decomposition is the main process for cycling of both carbon and nitrogen, hence option c is correct.

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i need help with this

Answers

Answer:

c is ox and b it the h20 and a is the plastic cup?

Which of the following is a frameshift mutation from the original DNA of CGCATTGGA?


a. CGCATTGGA

b. CGGCATTGGA

c. CGCATTGGT

d. GGCATTGGA

Answers

Answer: b.

Explanation:

Cgc,att,gga - original

cg(g)c,att,gga. Frame shift

cgc,att,gg(t) snp

(g)gc,att,gga snp

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