C because he is making a hypothesis that coloration which is the independent variable is making the change.
Answer:
A, Checks and balances and separation of powers.
Explanation:
It started in 1798, to the 1800. This period is when the human population began to grow at a faster rate then any other time in history.
>Got my answer right on gradpoint<
The answer is 300 years ago.
The answer choices were.
A 300 years ago
B 8,000 years ago
C 20,000 years ago
D 1,000 years ago
