Which of the following is not a possible mechanism contributing to continental rifting?
A) Changes in gravitational attraction of the moon
B) Concentration of mantle plume heat beneath a continent
C) Tensional stress
D) Upwelling from shallow levels in the asthenosphere
Answer: A
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What is the relationship between two species in which one onganism feeds off another organism without immediately killing it?
Mutualism Commensalism Parasitism Advantagism
The inside of a car or greenhouse would not heat up as much in the presence of sunshine if
A) air was circulated within the car or within the greenhouse. B) infrared radiation passed through glass as easily as sunlight. C) infrared radiation could not pass through glass as easily as sunlight. D) sunlight could pass through glass more easily than through air.
The mechanism by which populations evolve and new species develop is called ________
A) adaptation B) evolution C) descent with modification D) intelligent design E) natural selection
Air pollution is
A. greatest in newly industrialized countries. B. not a problem in economically developed countries. C. unrelated to the amount of industrial activity in a country. D. All these statements are correct.