During a heat wave, cities are usually at least one degree Celsius warmer than the surrounding countryside
Indicate whether the statement is true or false
True
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The strength of an earthquake at its source is measured on the Richter scale
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Although current technology will allow the construction of much larger optical telescopes, astronomers see no advantage in building these larger instruments
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The stages associated with continental rifting are, in order from earliest to latest
A. wide ocean basin, narrow ocean basin, uplift, continental rift. B. narrow ocean basin, wide ocean basin, continental rift, uplift. C. uplift, continental rift, narrow ocean basin, wide ocean basin. D. uplift, wide ocean basin, narrow ocean basin, continental rift. E. narrow ocean basin, continental rift, uplift, wide ocean basin.
Volcanic rocks are
A. by definition, only those produced by conelike volcanic structures. B. coarse-grained because the magmas typically spend so long inside the volcano before eruption. C. crystallized from magma at or near the earth's surface. D. All of the choices are correct.