Answer:
1)
Explanation: If a group of people stay in one area for while, and the birth rate increases, as long as no one leaves, it will be a net gain for the population total. The others will result in net loss, via leaving literally or by death.
I put C bc it is the only one that makes sense
Explanation:
Answer: The main idea is about humans relying on animals/pets and vise versa.
Effect is the answer
may it help you