I believe the correct answer to be A hypothesis must be testable for it to be useful in scientific research because a hypothesis is an educated guess on what is going to happen during your experiment/ scientific research.
Answer: n order for mitosis to work properly, it's important that the phases that come before it prepare for it as such. For example, in the G2 phase, the cell grows once more and double checks every organelle and genetic information so that it is ready to proceed into division phase.
D. M phase
Answer:
Cuz the season isn't suitable due to moist environment.
Answer:
sperm cells, and egg cells