The most economic activities were agriculture.
<span>they are known as phytoplankton.
If this was the appropriate answer make sure to mark as the brainliest!
-procklown</span>
Answer: ( D ) Your cells would not work as well because even though they would have enough oxygen molecules from the air, they would not have enough glucose molecules from food.
Explanation: Your cells would have molecules from air, but would not get enough molecules from food.
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