Humans Have Transformed an Estimated 50 Percent of Earth's Land

Multiple Choice

Humans have transformed an estimated 50 percent of Earth's land surface for agricultural land, cities, highways, and other uses.What is the most likely effect this has had on world climate?

A) The effect has been minimal because many natural areas still exist.
B) Both temperature and precipitation have increased.
C) Both temperature and precipitation have decreased.
D) Temperature has increased, while precipitation has decreased.
E) Temperature has decreased, while precipitation has increased.