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
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
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