Dome collapse, overspilling crater rim, direct blast, and eruption column collapse are all ways to generate ________.
A. fissure eruptions
B. lava flows
C. pyroclastic flows
D. mafic magma
E. felsic magma
Answer: C
Environmental & Atmospheric Sciences
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With a limited number of wind observations, tight spacing of height (above sea level) contour lines on a 500-mb chart may indicate areas of ____ winds
A) stationary B) stronger C) weaker D) variable
Environmental & Atmospheric Sciences
Which of the following gases is produced when an acid reacts with an active metal?
A) CO2(g) B) H(g) C) H2(g) D) H2O(g)
Environmental & Atmospheric Sciences
What factor causes the majority of flooding to most midwestern rivers (e.g., Ohio River)?
A. long term rainfall B. structural failures of dams C. rapid snow melt D. brief, heavy storms
Environmental & Atmospheric Sciences
The unusual composition of the atmosphere is due to _______.
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences