Plankton are:
a. microscopic marine plants

b. marine organisms that swim.
c. marine organisms that drift or swim weakly.
d. composed ONLY of microscopic marine organisms.


c

Environmental & Atmospheric Sciences

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________ is the relative long-distance movement from one region of a country to another

A) Interregional migration B) Intraregional migration C) Forced migration D) Regional mobility E) International mobility

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Antarctic ice has been there for several million years. What has happened to the Antarctic continent as a result?

Environmental & Atmospheric Sciences

When the relative humidity reaches 100%, excess water vapor condenses and forms liquid water; this temperature is the ________ temperature of the air mass. 

A. dew point  B. condensation C. maximum humidity D. liquidus 

Environmental & Atmospheric Sciences

The characteristic type of sedimentary rock shed off of the Ancestral Rockies uplift blocks was

black shale. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences