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Savatey [412]
3 years ago
12

Scientists at Russia’s Vostok Station in eastern Antarctica drilled the longest ice core ever recorded. They compiled this graph

using the data collected from the ice core. This plot shows the temperature, carbon dioxide (CO2), and dust levels up to 400,000 years ago. Which statement best summarizes the data in the graph?

Biology
2 answers:
Wittaler [7]3 years ago
4 0
The data supports the fourth choice, that increasing air temperature and CO2 levels correlate with a decrease in dust concentration.

The first choice is unlikely to reflect dust concentration, and is more likely to be for air temperature. The second choice is false, because the dust concentration is more of a decreasing trend. The third choice is not true, as the spikes in air temperature and atmospheric CO2 concentrations seem to occur simultaneously, implying a positive correlation.
ddd [48]3 years ago
4 0

Answer:

The answer is D.

Explanation:

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Answer:

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What is unusual about the peptide bond compared to the other covalent bonds that form the polypeptide backbone?.
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When it comes to stability and the absence of atom movement surrounding the bond, <u>peptide bonds</u> behave like double bonds (peptide bonds are unusually stable compared to other types of <u>macromolecules</u>).

Peptide Bond- The -nitrogen atom of one amino acid and the carbonyl carbon of another create a peptide link, also known as an amide bond. As opposed to -amine or -carbonyl, so-called iso-peptide bonds are amide bonds between sidechain amines or carbonyl carbons.

Macromolecules- An extremely big molecule made up of hundreds or thousands of atoms, such as a protein, colloidal particle, or particularly a polymer. For instance Macromolecules include proteins, DNA, RNA, carbohydrates, and lipids.

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7 0
1 year ago
The diagram to the right represents the lysogenic cycle. What is occurring at step D? The provirus is created. The provirus is r
dem82 [27]

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Explanation:

5 0
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Schach [20]

Answer:

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Explanation:

6 0
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