Answer:
A And D
Explanation:
I got it right and it isnt A and C
<span>The only traits that can be acted upon by natural selection are those that are controlled by ___________________</span>
Answer:
Oxygen liberated during photosynthesis comes from the splitting or hydrolysis of water in the green plants. Cornelius van Niel experimentally proved for the first time that the oxygen liberated during photosynthesis comes from water and not from carbon dioxide.
Answer:
The amount of weight lost and the diet medication
A constant in an experiment is <u>B. </u><span><u>the quantity that must remain the same</u>. If it is constant, it doesn't change, so it cannot be variable. D makes no sense.
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