Answer:
A
Explanation:
Nitrogen in the atmosphere can be transformed into a plant-usable form, a process called nitrogen fixation, by lightning. Each bolt of lightning carries electrical energy that is powerful enough to break the strong bonds of the nitrogen molecule in the atmosphere.
This person is a male. A female would have two X chromosomes.
Dependent selection is one term that you can use for that
Answer:
Arteries branching away from the heart become smaller and smaller.
Explanation: