An ash fall occurs when volcanic ash is ejected into the atmosphere and settles to the surface. Indicate whether the statement is true or false
F
Environmental & Atmospheric Sciences
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A(n) ________ region is created by law, treaty, or regulation.
A. administrative B. thematic C. functional D. perceptional
Environmental & Atmospheric Sciences
In the Midwest, record-setting cold temperatures often result when a ____ air mass invades the region
a. mP b. cP c. cA d. mT
Environmental & Atmospheric Sciences
Drainage patterns often reflect bedrock structure
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Passive margins are usually produced over geologic time by which of the following?
A) Continental rifting and continued sea floor spreading B) Hot spot volcanism forming a chain of islands and seamounts C) Subduction of oceanic crust and submarine volcanic activity D) The closing of an ancient sea to form a salt rich lake E) Transform faulting along a continental margin or a mid-ocean ridge
Environmental & Atmospheric Sciences