The answer to this would be d. :)
Answer:
Evaporation, Condensation, Precipitation and Collection
Explanation:
I just referred to water cycle on the internet.
Answer:
A. to remove waste
Explanation:
The purpose of reproduction is to create offspring. Offspring will naturally carry the characteristics of the parents. When offspring are born they create the next generation and keep a species alive. The excretory system removes waste.
x or y because both can cause it