A The observed differences in plants height are due to genetics.
Cystic Fibrosis is a genetic mutation
Nerve cells release neurotransmitters across gaps and secretion of proteins and wastes: it’s Exocytosis
Answer:
The correct answer is B. Hot Spring. I just took this on Edge and got it correct.
C is the proper answer. They have been reduced by using unleaded gasoline because lead can harm the air and water we breathe, so using less of it will help reduce the pollution being caused by it.
