Author Question: The most likely explanation for evidence of glacial activity in places such as Africa and Australia ... (Read 91 times)

waynest · **on:** Jul 14, 2018

The most likely explanation for evidence of glacial activity in places such as Africa and Australia is:

A) volcanic activity.
B) plate tectonics.
C) oxygen isotope changes.
D) global warming.
E) ozone depletion.

Question 2

The term dry deposition refers to:

A) pollutants that fall to the ground as part of dust or smoke.
B) pollution that is incorporated into snowflakes through the Bergeron process.
C) pollutants left behind by evaporating rainfall.
D) all pollution created through combustion of fossil fuels.