If volcanic rocks are formed on the earth's surface, what is another word for them?

A) extrusive
B) intrusive
C) plutonic
D) lava


Answer: A

Environmental & Atmospheric Sciences

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Which one of the following represents the greatest expanse of geological time?

What will be an ideal response?

Environmental & Atmospheric Sciences

If surface pressure readings were plotted on weather maps, they would give a false representation of the atmosphere because

A) high elevations have higher surface pressures than low elevations, even if the sea-level pressures are the same B) high elevations have lower surface pressures than low elevations, even if the sea-level pressures are the same C) the surface pressure at high elevations is often greater than sea-level pressure D) the surface pressure at high elevations is often the same as sea-level pressure

Environmental & Atmospheric Sciences

One object has twice as much mass as another object, and also has twice as much

A) inertia. B) velocity. C) gravitational acceleration. D) volume. E) all of the above

Environmental & Atmospheric Sciences

GPS units, satellites, and lasers are some of the tools used to monitor the ________ of the volcanic flanks, which indicates magma accumulating in the magma chamber

A) gas content B) temperature C) inflation D) mineral content

Environmental & Atmospheric Sciences