Which of the following would most likely result in a lava flow that is hazardous to humans?
A. low viscosity andesitic magma
B. low viscosity basaltic magma
C. high viscosity basaltic magma
D. high viscosity rhyolitic magma
E. high viscosity andesitic magma
Answer: B
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Precipitation occurs because air is warmed adiabatically as it rises
Indicate whether the statement is true or false.
During its initial formation by the accretion of particles, the young Earth was ____
A) shrouded in a thick atmosphere B) density stratified with a core, mantle, and crust C) likely chemically homogenous throughout D) completely covered by an ocean
Materials transported directly by glaciers tend to be unsorted when deposited, but those carried by meltwater are sorted
Indicate whether the statement is true or false
Wind belts that blow from east to west over most of the areas between 30°N and 30°S are called ________.
A. trade winds B. doldrums C. horse latitudes D. westerlies E. polar easterlies