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exis [7]
2 years ago
11

Hello everyone!

Biology
1 answer:
svetlana [45]2 years ago
6 0
School work bc it’s hard
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What is a substrate?
atroni [7]
What was c? But I think its A.) a molecule that changes state.
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Scientists are examining the possible role of a large asteroid in the Cretaceous mass extinction event. A large asteroid strike
QveST [7]

Answer:

Option C

Explanation:

The null hypothesis is the problem statement and alternative hypothesis is counter of the null hypothesis.

Hence, the null hypothesis here is the rate of extinction was neither higher nor lower when there were sudden climatic changes (asteroid strike)

And alternate hypothesis is "the rate of extinction was either higher or lower when there were sudden climatic changes (asteroid strike)"

Hence, option C is correct

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3 years ago
Explain how hyphae help a fungus absorb food
amm1812

Answer:

Explanation:

a  fungus named penicillin produces a substance that kills the bacteria near it. The mold produces the antibiotic penicillin. How do fungi help plants grow? The hyphae spread underground and absorb water and nutrients from the soil for the plant.

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3 years ago
Whales have vestigial legs. This suggests they _____.
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<span> descended from land animals</span>. Scientists believed that whales have evolved 50 million years ago from land dwelling ancestors who feed on fish from nearby sea. According to unearthed fossils, the early whale's body was more adapted to land but its relatives are more suited to live in water.
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2 years ago
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some organisms live in very hot or very acidic environments would their enzymes function in a persons cells why or why not
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No they would not function because if the organisms can play function in hot environments and the human body is not hot enough for the organisms to survive and function.
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