Define magma
A) Dissolved gases in molten rock
B) A material's resistance to flowing
C) Molten rock that has been erupted
D) Molten rock found at depth that contains dissolved gases and some crystals
Answer: D
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The C-horizon of a soil is
A. the horizon most similar to the parent material. B. where chemicals are deposited. C. the zone of leaching. D. the most completely weathered horizon.
The visible light spectrum is bounded by these two types of radiation:
A) x-ray and thermal infrared. B) x-ray and radio wave. C) microwave and gamma ray. D) ultraviolet and near infrared.
________ exhibits a conchoidal fracture
A) Quartz B) Halite C) Gypsum D) Calcite
Why has China become the world's largest emitter of greenhouse gases, and what is its government doing about this problem?
What will be an ideal response?