The primary reason that the human population has grown rapidly over the past 100 years is that there has been

A.

an increase in food supplies and better access to clean water.
B.

a decrease in cancer rates due to scientific research.
C
.

more access to renewable resources.
D.

more access to light and electricity.

1 answer

The primary reason that the human population has grown rapidly over the past 100 years is that there has been:

A. an increase in food supplies and better access to clean water.

This increase in food production and improved sanitation and access to clean water have significantly contributed to lower mortality rates and higher population growth.