Which type of molecule will require energy to cross the cell membrane? Question 3 options: A) carbon dioxide B) Na+ C) nonpolar
molecules D) oxygen
1 answer:
The answer is either A or D
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Answer:
Air passes through the pharynx, larynx.
while food passes through the esophagus, stomach
Explanation:
It'd probably get heavier, and fall faster, instead of floating.
<span>B: it contains many small mountain ranges with basins</span>
