Which of the following best defines the term "snowbirds"?

A) Birds that travel above the continental snowline in the summer.
B) Avian species still in existence, unchanged from the last glacial maximum.
C) Retirees from colder parts of North America who travel to spend winters in warm, dry areas
D) People who travel to snowy areas in the winter for recreation.


C

Environmental & Atmospheric Sciences

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In measuring hang time, we assume that the time moving upward is

A. more than the time coming down. B. less than the time coming down. C. equal to the time coming down. D. none of these

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How would a metamorphic rock become a sedimentary rock?

A) It could melt and crystallize. B) It could eject from a volcano and cool on the earth's surface. C) It could experience weathering or erosion, later precipitating and undergoing lithification. D) It could be exposed to intense heat and pressure to form sedimentary rock.

Environmental & Atmospheric Sciences

How do lava tubes form in basaltic lavas? How can the exterior solidify if the interior is still fluid?

What will be an ideal response?

Environmental & Atmospheric Sciences

The sun rises at the North Pole on the March equinox and remains over the horizon for the following six months

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences