Recall from the activity the scientific consensus that the observed warming of the Earth is mostly a result of human activity and the overproduction
of greenhouse gases. However, some human effects can cause a slight cooling of the average global temperature.
Which is a human - produced substance that can cause a slight cooling of the average global temperature?
A. nitrous oxide from combustion
B. fluorinated gases from refrigeration and consumer sources
C. methane from agricultural and gas drilling
D. human - produced aerosols