A stream or river that flows all year is referred to as

A. perennial.
B. a tributary.
C. ephemeral.


Answer: A

Environmental & Atmospheric Sciences

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Tens of thousands of years ago, languages may have been joined together as

A) branches. B) superfamilies. C) groups. D) lingua franca. E) families.

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The EROI (energy returned on investment) ratio is calculated as

a. Energy invested/Energy returned. b. Energy invested × Energy returned. c. Energy returned/Energy invested. d. Energy returned × Energy invested.

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Why does a satellite in elliptical orbit gain speed as it moves closer to the planet? When is its kinetic energy the greatest? The least? Where is its potential energy greatest? The least?

What will be an ideal response?

Environmental & Atmospheric Sciences

Convectional lifting results when air from different directions flows toward an area of low pressure

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences