I think the answer is A because I have never learned about collapsed veins and it won’t cause arthritis
Answer:
No; the study is based on a volunteer sample, which may be very different from a randomly selected one.
Explanation
Her plan cannot be effective because she could base her own judgenent on samples that was randomly selected for consideration.
Answer:
Food source and space.
Explanation:
With more animals, more food and space is required. With a sudden growth there may not be enough sufficient.
The food source could quickly run out, and same with space.
I did an acting class and failed horribly