About 25 million years, most of the continents were joined together is a large land mass called _____________.
Fill in the blank(s) with the appropriate word(s).
Pangaea
Environmental & Atmospheric Sciences
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At which of the following heights does the greatest variation in daily temperature usually occur?
A. at ground level B. at the level where thermals stop rising C. at the top of a high-rise apartment building D. about 2 metres above the ground
Environmental & Atmospheric Sciences
How did the joints in this photograph form?
A) From uplift
B) From burial
C) From tectonics
D) From weathering
E) From cooling
Environmental & Atmospheric Sciences
Expensive homes on coastal cliffs are at risk due to
A) erosion from ocean waves. B) erosion from wind. C) erosion from groundwater. D) erosion from streams.
Environmental & Atmospheric Sciences
Summer days are longest in which city?
A) Houston, TX B) Chicago, IL C) Los Angeles, CA D) Atlanta, GA
Environmental & Atmospheric Sciences