A major earthquake is one that has a magnitude of ____ on the Richter scale.
A. 4.0-4.9
B. 5.0-5.9
C. 6.0-6.9
D. 7.0-7.9
E. over 8.0
Answer: D
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Brownfields are
A. properties contaminated with hazardous materials that are abandoned or not being fully used. B. lands that, because of geologic features, are best suited to host industries associated with handling hazardous materials. C. urban lands slated to become waste processing facilities. D. areas in which herbicides have accumulated in the soil such that normal plant growth is inhibited.
The hearth area of culture is where that culture originated
Indicate whether the statement is true or false.
Hydrothermal vents support a community of organisms including pogonophorans, clams, crabs, and worms, just to name a few. But hydrothermal vents are found in the deep-sea far from the photic zone. If no light reaches hydrothermal vents, what is the basis of the primary productivity that supports the community?
Caverns most commonly develop in _____
a. granite b. limestone c. sandstone d. shale e. schist