Which of the following statements is not true?
a. the u. s has problems with illegal immigration in part because of population growth in mexico and central america.
b. the u. s has ample supplies of fresh water for the indefinite future.
c. the rate of population growth has dropped almost to zero in several african countries because of aids.
d. some parts of the world have already surpassed their carrying capacity

C is not true

Explanation:

Even though the rate of mortality is high in African countries however the birth rate still remains high due to the lack of proper education to some parts of these countries and also due to some cultural beliefs that still exist such as women still not allowed to work in some part of these countries and girls are married to particular families at a young age as part of some cultural beliefs or rituals .

More people die due to AIDS but more children are born at the same time so the number of people is not drastically affected by these deaths.

answer; i do believe its (b) 12.5 years of age;

50% because no one is smart enough to relize that money makes the world go round and 99% of the earth hates donald trump the other 1% is the republicans go figure right