Which would most likely increase the carrying capacity for humans in a
certain region?
O
A. Crops that grow more reliably
O
B. Less access to fresh water
O
C. Colder weather in the winter
O
D. An increase in birthrate

The answer is a
less access to fresh water is bad, it means less people get water
colder weather in the winter means less people survive the winter
increase in the birth rate means possibility of overpopulation
crops that grow more reliably means more people can eat more food and be healthier

That is true! many fish species traveled to the u.s. because of it.