In which ways does pressure influence different rock compositions' melting points?
A) the more pressure, the higher the melting point
B) the more pressure, the lower the melting point
C) pressure changes the composition of the rock, raising the melting point
D) pressure changes the composition of the rock, lowering the melting point
Answer: A
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The two-stage ditch design was created in order to
A) drain wetlands and provide more agricultural land. B) combine agricultural areas with aquaculture of fish. C) allow ditches to drain off excess water from croplands but also avoid erosion during heavy rains. D) bring water from distant rivers and lakes to drylands in the process of desertification.
Mammatus clouds most frequently form on the underside of ____ clouds
a. cumuloaltus b. stratus c. cirrus d. nimbostratus e. cumulonimbus
What is a correct definition of subsidence?
a. The lithification of underlying sediments due to excess surface weight. b. The decreasing height of the water table due to excess evapotranspiration. c. The increasing height of the underlying water table due to excess infiltration. d. The compaction of underlying sediments due to the loss of water in pore spaces.
A valley breeze has more in common with a katabatic wind than does a mountain breeze
Indicate whether the statement is true or false