Answer:
Control is a group generall very important in an experiment because it allows you to eliminate and isolate these variables.
Hey there
the answer is
A.the ability of your heart and lungs to work during prolonged exercise
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SAVAGELEGEND72
Answer:
A. Pollen, stigma, pollination
Explanation:
Answer:
B- Centrosome
Explanation:
I think this is right but not 100% sure. So sorry if its wrong
Digestion, medulla, heart, and involuntary muscles
