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NISA [10]
2 years ago
9

PLEASE HELP WITH #1 AND 2!! whoever is correct will be marked as brainlist. do not spam or send links, if u do u will be reporte

d!

Biology
1 answer:
tatyana61 [14]2 years ago
7 0

Answer:

They regulate th earths temperatur

Explanation:

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A replication bubble forms as the DNA unwinds.

Option C  

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DNA unwinding is the first step in replication or transcription of the DNA molecule. DNA helicase separates the two types of "DNA" that are connected by hydrogen bonds with the help of ATP hydrolysis.  

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Answer:

Global warming may cause more icebergs to melt than are created. This would lead to higher sea levels. Sea levels may rise above land masses located at low elevations. As a result, the animals who lived in these areas may find their habitats shrinking and resources depleting, causing their population size to decrease. If there are particular species that were only able to survive in the areas now covered by water, they may very well become extinct.

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