Which of the following marine resources is used to make wallboard or sheet rock?
A) Evaporative salts
B) Manganese nodules
C) Phosphorite
D) Sand and gravel
E) Sediments rich in tin
A
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Active solar heating systems involve
A. green roofs. B. pumping a heat-absorbing fluid through collectors on the roof. C. wind turbines with solar panels attached. D. foil sheets under the floor. E. adobe walls and windows that face the sun and store the collected solar energy.
The ____ states that sediment extends laterally in all directions until it thins and pinches out, or terminates, against the
edge of the depositional basin. a. principle of original horizontality b. principle of superposition c. principle of lateral continuity d. principle of cross-cutting relationships e. principle of uniformitarianism
In order to be a Cw climate, the precipitation:
A) must have a wintertime maximum. B) cannot exceed 6 cm in any month. C) must be 10 times greater in a summer month than it is in the driest winter month. D) must exceed 10 cm a month throughout the year.
Epiphytes growing on tropical trees exemplify
A. Mutualism B. Predation C. Intraspecific competition D. Commensalism E. Parasitism