A ________ texture includes coarse phenocrysts surrounded by a phaneritic groundmass

A) pegmatitic
B) porphyritic
C) glassy
D) aphanitic


Answer: B

Environmental & Atmospheric Sciences

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The surface air around a strengthening low pressure area normally ____, while, above the system, the air normally ____

A) diverges; diverges B) diverges; converges C) converges; converges D) converges; diverges

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We can generally expect the air to be ____ above areas of surface low pressure and ____ above areas of surface high pressure

A) rising; rising B) rising; sinking C) sinking; sinking D) sinking; rising

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The Earth's mantle is composed of solid rock

a. True b. False Indicate whether the statement is true or false

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Which of the following is a great circle?

A. Antarctic Circle B. prime meridian C. Tropic of Cancer D. International Date Line E. equator

Environmental & Atmospheric Sciences