The eventual catastrophic eruption of Mount Saint Helens was
A) a total surprise.
B) within only a few days of the first earthquake.
C) not preceded by any physical activity.
D) related to seafloor subduction at the west coast of North America.
D
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The transport of heat and energy by surface currents throughout the ocean can have influences on climate and weather
Where does the greatest amount of heat transfer by surface currents occur? a. Antarctic b. mid-latitudes c. equator d. arctic e. ITCZ
A self-amplifying reaction and a nuclear explosion in a nuclear power plant are prevented in large part by
A) the regular addition of uranium-239 to the fuel. B) control rods that absorb extra neutrons. C) the production of plutonium-239. D) fuel rods that absorb tremendous amounts of heat.
Not all scientific hypotheses require real world observations. Some are tested through computer modeling or some other non-direct observations
Indicate whether the statement is true or false
Where air is sinking (high pressure), rainfall is likely as the air sinks.
Answer the following statement true (T) or false (F)