It helped him because you can breed certain traits you want in things to get the traits you want
Answer:
That layer is called the a horizon, so the answer is A.
Explanation:
Answer:
ATP synthesis, through cell respiration.
For the environmental risk, it is much better to prevent pollution than to deal with it after it has already been made. When you deal with the pollution, it is hard to say that you can eliminate completely. So, prevention is the first strategy.
Answer:
option a
Explanation:
because When hydrogen is used to power a fuel cell, the only byproducts are water and heat—no pollutants or greenhouse gases are produced.
