Biologic weathering is essential for soil formation.
Answer the following statement true (T) or false (F)
True
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Describe and give examples of different ways that heat can be transported in the atmosphere.
What will be an ideal response?
Which of the following does not commonly occur when dark-colored mafic rocks weather?
A) Mafic minerals weather to clay minerals by hydrolysis. B) Iron-bearing minerals can oxidize to form the iron oxide mineral hematite. C) The abundant quartz in the rocks dissolves and forms silica-rich spring deposits. D) Some minerals weather at different rate than other minerals.
Which factor has the least effect on the shape of the overall geothermal gradient?
A) loss of heat at the surface to the hydrosphere, atmosphere, and space B) increasing temperature with compression of rock at high pressure C) type and composition of rock in the mantle D) heating of the lower mantle by the hotter core
In the United States, tornadoes are most likely to occur in this month:
A) May. B) July. C) August. D) October.