Which would most likely increase the carrying capacity for humans in a certain region?

a. a higher fertility rate
b. less access to medicine
c. a new source of fresh water
d. a higher birthrate

C. A new source of fresh water

n ecological terms, the carrying capacity of an ecosystem is the size of the population that can be supported indefinitely upon the available resources and services of that ecosystem. Since fresh water is the basic need of human life and fresh healthy water is very essential for the sustenance of human growth, therefore, it can be considered as the best option for an increase in the carrying capacity.

C. A new source of fresh water

Explanation:

In ecology, the carrying capacity of the ecosystem can be define as the maximum number of individuals of the population of the species that an ecosystem can support in terms of availability of resources such as water, food, shelter and other needs.

In the given situation, C. A new source of fresh water is the correct option because of the fact that water is the basic need for survival of all life forms. Water is the basic ingredient in all life forms including humans. Water is required for normal functioning of the human body. It is required for digestion of food, circulation of blood and for other purposes. It is required to lead a healthy life. Only a healthy human can reproduce and this will promote the increase in the carrying capacity.

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