Which of the following best describes the Pleistocene?
a. A warm, humid period of swamps and forests when dinosaurs roamed Earth
b. A most recent climate interval characterized by warm, stable conditions
c. A series of four major glacial cycles slowly followed by shorter, warmer interglacials
d. A complex record of climate changes characterized by cycles of rapid advance and retreat of glaciers
d
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Use the schematic shown below to answer this question.
What causes the circular patterns?
A. Ocean salinity effects B. Ocean thermal effects C. Ocean thermal and salinity effects D. Winds
Two problems associated with ____________________ are salination and waterlogging.
Fill in the blank(s) with the appropriate word(s).
Many proponents of sustainability believe that encouraging local self?sufficiency is important for building sustainable societies because ________
A) when people are tied more closely to the area they live in, they will value the area more and seek to sustain its environment and its human communities B) this is not correct; proponents of sustainability believe that encouraging local self?sufficiency will pose a threat to building sustainable societies C) it forces citizens to look more closely at the global community D) it eliminates governmental influence on local practices E) more and more people are growing gardens
A measure of the total incoming or outgoing radiant energy is called _______________
Fill in the blank with correct word.