The correct answer is: [D]: "receives venous blood from the lower extremity" .
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Answer:
6 carbon dioxide molecules
A constant is something that is kept the same throughout the course of a experiment. So I would guess C) because they are not doing anything special. If it’s not C then it is A. :)
The water molecules enter a gaseous state called water vapor. So water Evaporates.
Answer:B) the production of protein s based on the genetic information in DNA
Explanation: