During the climatic optimum, ____
A) the climate favored the development of certain plants
B) average temperatures were colder than at present
C) continental ice sheets began to melt
D) alpine glaciers began to advance down river valleys
A
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An object maintains its state of motion because it has
A) mass. B) weight. C) speed. D) acceleration. E) all of the above
When a large amount of dense water sinks at polar ocean basins, the same quantity rises elsewhere in
the world ocean. Indicate whether the statement is true or false.
The U.S. Bureau of the Census has created a method of measuring the functional area of a city, known as the metropolitan statistical area
Indicate whether the statement is true or false.
The explains how our Universe probably formed from a giant expanding cloud of gases and dispersed solid particles.
Fill in the blank(s) with the appropriate word(s).