Answer:
cutting a substance into 4 pices
Explanation:
the chemical make up of the substance didn't change and no new things were formed therefore it is a physical change
Mitochondrial DNA mutation occurs at a constant rate throughout history. Thus, each different base in Mitochondrial DNA is able to show just how long ago the 2 species diverged from each other.
Hope this helps! :)
Correct me if i'm wrong i think the best answer would be d. the cow uses all of the corn's energy for life processes.
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➷ It would be D. 25 degrees. This is because there was the highest oxygen flow at this temperature meaning that the rate of photosynthesis was higher.
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