The formation of continental glaciers over vast areas of North America is most favorable when
Northern Hemisphere summers are __________ and winters are __________.
a. cool, extremely cold
b. cool, mild
c. warm, extremely cold
d. warm, mild
b
You might also like to view...
Famines can occur when overall levels of food availability are adequate
Indicate whether this statement is true or false
When chlorofluorocarbons are subjected to ultraviolet radiation, which of the following gases is released and rapidly destroys ozone?
A. nitrogen B. carbon C. carbon dioxide D. chlorine
Compare the rate of sea-level rise at Virginia Key in Florida from 1994–2016 with the average rate from 1993-2013. What was increase per year at Virginia Key? What was the average rate?
What will be an ideal response?
Increased wind decreases evaporation rates
a. True b. False Indicate whether the statement is true or false