The answer is representative democracy.
Answer:
B. How efficient can an engine be, in theory?
Explanation:
Most rain forests are found on the pacific coast of North America.
D) Territory
For example Puerto Rico is its own country but is territory of the United States.
Part A : D.
Reason- It is the only one that gives a proper judgment.
Part B: D.
Reason- It is the only option that goes with Part A.
I hope this helped :)
Soyunghoon Wang