During the Pleistocene ice age:
a. all of Earth's fresh water was frozen.
b. glaciers occupied the Amazon River basin.
c. sea level was lower than it is today.
d. the Antarctic ice sheet was smaller than it is today.
e. Greenland was a driftless area.
C
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The United States and Canada are prime examples of
A) authoritarian dictatorships B) parliamentary democracies C) federal states D) confederations E) unitary states
Scientific inquiry is based on ________
A) an expanding knowledge based on observation, questioning, testing and discovery B) the production of technological advances C) facts that can be proven true without experimental manipulation D) making huge leaps of knowledge with scientific insights E) designing experiments that have never been done before
The body contains a large amount of inorganic phosphate, Pi. What is the effect of inorganic phosphate on the cleavage of glucose from glycogen?
A) It favors the cleavage reaction and promotes glycogen degradation. B) It represses the cleavage reaction and prevents glycogen degradation. C) It speeds up the conversion of glucose to glycogen. D) It speeds up the conversion of glycogen to glucose.
Ocean currents play a significant role in helping to equalize the energy imbalance between the tropical and polar regions
Indicate whether the statement is true or false