I got two, but I could be wrong.
The area of study is called political science
Answer:
You tell her that her husband is away and will be coming back later
Explanation:
If you tell her he's dead, she won't believe you so just go along with it.
Answer:
b. 10,000 plants
Explanation:
Producers, plants, contain the most stored energy in an energy pyramid.
I hope this helped :)