True because when you take it out it affects it both ways
Answer:
b, ions
Explanation:
Poteassium and sodium in their ion molecular form in the axon of a neuron as they are are used in proton pumps to aid in the movement of neurons.
Answer:
the physical distance between the two genes.
Explanation:
Answer:
nuclear fusion
Explanation:
When the density and temperature at the core of the gravitationally collapsing nebula reaches values when nuclear fusion is triggered and sustained, that marks the birth of the star.
after the evolution of the first living cells, fermentation wasn't needed, because aerobic respiration was now doable, since there was more oxygen in the air now. also, as the temperature increases, it becomes more energy consuming to conduct fermentation over aerobic respiration.
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