Many metallic mineral deposits such as copper, gold, lead, silver, tin, and zinc are related to igneous and associated ____ activity
A)metamorphic
B)subducting
C)hydrothermal
D)transform fault
E)sedimentary
C
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A valid hypothesis must be capable of being proved
A. right beyond doubt. B. wrong. C. sort of right. D. by other investigators.
It is now known that, overall, clouds:a
have a net warming effect on climate b. have a net cooling effect on climate c. have no net effect on climate d. are the single most important feature in determining climate
The pull factor that was a significant factor for African Americans to move south to north in the early to mid-twentieth century was
A) inexpensive housing. B) equality under the law. C) education opportunities. D) factory jobs with higher wages. E) inexpensive agriculture land.
Differentiate between a hazard and a risk. Where does vulnerability fit in?
What will be an ideal response?