Answer:
because America as a whole is over weight
Explanation:
junk food and bad foods
Answer:
There are four chambers of the heart:
The two bottom chambers are the right ventricle and the left ventricle.
The two top chambers are the right atrium and the left atrium.
It would have a knock on effect
the flood possible would destroy vegetation, leads to a decrease in the numbers of primary consumers , then secondary an so forth.