To allow oxygen molecule into the leaf to start photosynthesis, and to allow carbon dioxide out of the leaf after photosynthesis is over.
I'm not sure how many reasons you want, but here are 3 reasons.
1. Frogs can breathe on land and in water, whereas tadpoles can only breathe in water.
2. Frogs can go on land, and tadpoles cannot.
<span>3. Tadpoles do not have limbs, frogs do.</span>
Answer:
A- soil bacteria converts usable nitrogen into nitrogen gas
I believe it is B.
Don’t hate me if I am wrong :,)
Answer:
As glycolysis proceeds, energy is released, and the energy is used to make four molecules of ATP. As a result, there is a net gain of two ATP molecules during glycolysis.
Explanation:
two atp molecules