A tektite is strong evidence that ________ metamorphism has occurred.

A. slow
B. contact
C. hydrothermal
D. regional
E. shock


Answer: E

Environmental & Atmospheric Sciences

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A skipper on a boat notices wave crests passing the anchor chain every 5 s. The skipper estimates the distance between crests is 15 m. What is the speed of the water waves?

A. 5 m/s B. 3 m/s C. 15 m/s D. not enough information

Environmental & Atmospheric Sciences

Characteristics of estuaries include all of the following except: a. an abundance of nutrients

b. extreme temperature ranges. c. a variation of salinity from fresh to salt water. d. low biological productivity.

Environmental & Atmospheric Sciences

The asthenosphere is a mantle zone of low seismic wave velocity that behaves in a ductile manner.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

How does water have such strong surface tension?

a) Water molecules are constantly bumping against each other, creating strong surface tension. b) Water is the universal solvent, and so has extremely strong surface tension. c) Hydrogen bonds form between adjacent molecules due to water's polarity, thus giving it strong surface tension. d) Water has high kinetic energy, resulting in strong surface tension.

Environmental & Atmospheric Sciences