The Milankovitch theory explains the onset of glacial epochs as a result of major plate tectonic activity
a. True
b. False
False
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The environmental lapse rate typically decreases at night because
A) the surface absorbs more longwave radiation than the air aloft B) the surface absorbs less longwave radiation than the air aloft C) the surface cools more slowly than the air aloft D) the surface cools more rapidly than the air aloft
Large, heavy snowflakes are associated with:a
dry air and temperatures well below freezing. b. moist air and temperatures well below freezing. c. dry air and temperatures near freezing. d. moist air and temperatures near freezing
Unconformities which represent a break in the geologic record of deposition are important because ________
A) the fossils found in the unconformities can be used to correlate global time period B) they give an indication of sea level rise within an ocean basin C) they cannot be mapped D) they represent a period of major activity
The global trend in sulfur emissions can be characterized by
A) increasing rates of emission in almost every country. B) decreasing rates of emission in almost every country. C) decreasing rates of emission in the industrialized countries but increasing rates in the developing countries. D) increasing rates of emission in the industrialized countries but decreasing rates in the developing countries.