Answer:B.
It was used to prove that smoking causes health problems.
Explanation:
Answer:
Biogeochemical cycles important to living organisms include the water, carbon, nitrogen, phosphorus, and sulfur cycles.
Explanation:
The answer is energy. In order to grow and develop, all of life must be able to use energy to sustain the source of life. The ability to reproduce, grow and develop are defining features of life. Organisms use energy to maintain their metabolic processes.
The correct answer among all the other choices is "Since the pollen tubes cannot grow long enough to reach the eggs, the mutation will not be passed on and will not affect the plant population." Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
D. This has to be 20 characters long sooooo there