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stiv31 [10]
3 years ago
12

Which statement explains something that the fossil record indicates?

Biology
2 answers:
AleksandrR [38]3 years ago
7 0

Answer:

Mass extincions have occured several times on Earth.

Explanation:

mash [69]3 years ago
3 0

Answer:

C.     Mass extincions have occured several times on Earth.

Explanation:

took the test :)

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I think it is both 1 and 2

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Why do most leaves tend to appear green if they reflect green light?
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2 years ago
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Products enter a reaction and reactants come out of a reaction true or false?
hjlf

Answer:

\boxed {\boxed {\sf False }}

Explanation:

In a chemical reaction, the <u>produc</u>ts are <u>produc</u>ed. The <em>react</em>ants are the substances that <em>react.</em>

<em />

In a chemical reaction equation (with the arrow pointing right) the reactants are on the left and the products on the right.

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The reactants enter and the products come out.

So, the statement given - products enter a reaction and reactants come out - is false and it is actually the other way around.

3 0
2 years ago
Brian indicates that the mutation is in a gene found in the mitochondrial DNA. What does Brian mean by that and why did he signi
vovangra [49]

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Change occur in the genetic makeup.

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Brian means that the change occur in the genetic makeup of the mitochondrial DNA that change the structure as well as the function ability of mitochondria which is responsible for the generation of energy for the cell. The mitochondrial DNA are passed from mother to offspring through the egg cell. He signify mitochondrial DNA because the change occur only in the mitochondrial DNA not in the whole organism's DNA.

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