I think the answer is Salinization
Answer:
internal migration: moving within a state, country, or continent.
external migration: moving to a different state, country, or continent.
Explanation:
How to make better technology to go deeper Into the ocean
C) The number of Bears with decrease.
The contaminated fish with cause the bears to be contaminated and die.
Answer:
A.) In dark, warm, moist areas
Explanation:
I cant give much of an explanation for this question, but I hope I helped! :)