The atomic mass number of common oxygen is 16 because it has ________ protons and ________ neutrons.
A. 8; 8
B. 9; 7
C. 7; 9
D. 10; 6
E. 5; 11
Answer: A
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In the Southern Hemisphere, the winds associated with a low pressure system blow ________
A) clockwise and outward from the center B) counterclockwise and outward from the center C) counterclockwise and toward the center D) clockwise and toward the center
The highlands in this modern country were one of the centers of domestication of plants and animals in Sub-Saharan Africa
A) Sudan B) Egypt C) Ethiopia D) South Africa E) none of the above
While Burma was a British colony, it received a large number of migrants from
A. India B. China C. Sri Lanka D. England
Which of the following was NOT in forming magmas of the main batholith?
a. subduction beneath western North America b. water that caused partial melting of hot mantle c. partial melting of continental crust d. solidification of magma below the surface e. recent normal faulting along the east side of the batholith