Which of these processes are both random and can increase genetic diversity over time

what are the awnser choices? i mean, without choices, it is an incompleat

it can affect the plants by how hot or cold the temperature

explanation:

it can affect the plants by how hot or cold the temperature is and the amount of precipitation can affect the plants cause it needs to have reasonable amount

i don't have a definite answer, but i would assume not based on my experiences with my friend when we both were taking a spanish course; however, it would probably still be to your benefit to look at what questions she received, just in case. a language course and a science course differ greatly, after all.