Where are we loctated in the milky way galaxy?

a. center
b. halo
c. spiral arms (called the Orion Arm)
d. bulge (disk)
e. none of the above


Answer is c. spiral arms (called the Orion Arm)

Environmental & Atmospheric Sciences

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A sustained electric current can be achieved with a

A. generator. B. battery. C. both D. none of the above

Environmental & Atmospheric Sciences

The main component of the lower atmosphere by total volume is ________

A) oxygen B) nitrogen C) helium D) argon E) water vapor

Environmental & Atmospheric Sciences

This is a typical number of air masses to be over the United States at one time

A) one B) five C) 12 D) 22

Environmental & Atmospheric Sciences

Erosion is a degrading process whereas deposition is an aggradating process

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences