Which air mass causes occasional drought to the southern Great Plains of the United States?
A) cT B) cP C) mT D) mP
A
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Most useful oil deposits are usually found
A. Saturating porous rocks, like water in a sponge B. In pools on the earth's surface, where geologic pressures have forced them to collect C. Locked in the mineral structure of a rock formation D. In a liquid pool under a layer of impermeable shale E. In small pools directly above the bedrock
How long did the supercomputer require to run Glatzmaier and Roberts' original simulation of 45,000 years?
A) a day B) a week C) a month D) a year
Satellites can only provide photographs; no measurements of properties such as temperature are possible
Indicate whether the statement is true or false
Limestone is a sedimentary rock composed mostly of the mineral calcite.
Answer the following statement true (T) or false (F)