What kind of waves are tides?

a. Standing waves
b. Free waves
c. Forced waves
d. Transitional waves


ANS: C
Tides are never free from the forces that cause them. They are caused by a mixture of the gravitational
force of the sun and the moon, and the motion of the Earth. Information can be found in the section
Tides Are the Longest of All Ocean Waves.

Environmental & Atmospheric Sciences

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The sling psychrometer is an instrument for measuring relative humidity

Indicate whether the statement is true or false

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Several years during the 1940s were characterized by very deep mountain snowpacks in southern Colorado. What evidence do you see for impact of these snowpacks on Rio Grande flow at Albuquerque?

What will be an ideal response?

Environmental & Atmospheric Sciences

The point within Earth where seismic waves originate is called the

A. fold B. fault scarp C. focus D. epicenter

Environmental & Atmospheric Sciences

A matter of great concern is that many of the places where existing climates are predicted to disappear also happen to regions currently with great ________

A) snow cover B) biological diversity C) vertical zonation D) rises in sea level E) numbers of fossils

Environmental & Atmospheric Sciences