Where do uranium deposits form in the Earth's crust?
a. The middle crust
b. The upper crust, carried in granite magma
c. The deep crust
d. All of the above
Answer: b. The upper crust, carried in granite magma
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Integration in numerical forecasting involves
A) predicting conditions in the future, and then using the results to predict even further into the future. B) ensuring fine resolution with close-spaced gridpoints. C) determining the best way to measure initial conditions. D) comparing and combining the forecast results of two or more models. E) all of the above
Pollutants that are formed in a manufacturing process or in the combustion process are called
A) primary pollutants. B) secondary pollutants. C) acid rain. D) smog.
What inorganic nutrient is required for primary production?
a. Phosphorus b. Carbonate c. Oxygen d. Iodine
The total fertility rate was most significantly increased by the
A) Industrial Revolution. B) Medical Revolution. C) Green Revolution. D) Neolithic Revolution.