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NISA [10]
3 years ago
5

A geologist is studying an ancient stack of rock layers. Most of the layers contain fossils of shallow marine creatures (clams,

corals,
etc.), suggesting the layers formed in a shallow ocean environment. But at the top of the stack, there is a layer that could only have
been deposited by a river.
What does this change in rock layers tell the geologist about Earth's history in the area where these layers formed? (Assume the
layers have not changed position since they formed.)
A.
The environment changed suddenly from a river system to a shallow ocean setting.
B.
The environment changed suddenly from a shallow ocean setting to a river system,
A mass extinction caused a river system to form where there used to be a shallow ocean setting.
C.
D.
A volcanic eruption must have occurred nearby, which scared the sea creatures away.
Biology
1 answer:
Lyrx [107]3 years ago
7 0

Answer:

a volcanic eruption must have occurred nearby which scared the sea creatures away

Explanation:

most sea creatures are scared by volcanic eruption

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Hunter-Best [27]

Answer:

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Explanation:

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8 0
2 years ago
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insens350 [35]

Answer:

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Explanation:

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Macromolecules are polymers that are made up of joining monomers together and makes large molecules. Macromolecules like carbohydrates are made up of monosaccharides as monomers, proteins are made up of amino acids as monomer or building block, lipids are made up of fatty acids and nucleic acid are made up of nucleotides.

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3 years ago
Which product would be excluded on a vegan diet?
Sergeu [11.5K]
the answer to ur question is eggs bc eggs come from an animal
5 0
2 years ago
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If a hypothesis is supported consistently by different observations or experiments, it may be advanced to the level of a(n)_____
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7 0
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Zigmanuir [339]
Hello!

If you look at a zipper, you'll see that it doesn't have a wheel or an axle. A zipper links the <span>protruding teeth that the zip contains. Your answer would be B!

You can feel free to let me know if you have any questions regarding this!
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- TetraFish</span>
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