Question

biologyliving earth a term af - period 1 - rm 359 (lms) quiz: climate, weather, and life (lms graded)
an increase in the concentrations of greenhouse gases in earths atmosphere would have which of these effects on temperature?
a. a decrease in average temperatures on earths surface
b. an increase in average temperatures on earths surface
c. an increase in average temperature in the upper atmosphere
d. a decrease in average temperature within all earth systems

Explanation:

Greenhouse gases trap heat in the Earth's atmosphere. When their concentrations increase, more heat is trapped, leading to a rise in average surface - temperatures. The upper atmosphere actually cools as more heat is retained near the surface.

Answer:

B. an increase in average temperatures on Earth’s surface