Which process makes it the most difficult to trace metamorphic rocks to their parent rocks?
A) fluid metamorphism
B) regional metamorphism
C) contact metamorphism
D) melting
Answer: A
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Garbage produced directly by households and businesses accounts for ____ of the solid waste produced in the United States
a. less than 2% b. 5% c. 10% d. 15% e. 20%
Some students on a biology field trip were sitting around watching honey bees. Some of the students noticed that bees spent more time on some flowers than on other flowers
As they talked about this behavior, the students offered various explanations. Some thought that the bees were avoiding predators on some flowers. Other students suggested that some flowers may have sweeter nectar. These speculations about bee behavior are examples of A) data. B) bias. C) theories. D) hypotheses.
Most of the world's forests occur as ________
A) chaparral B) tropical dry forest C) temperate rainforest D) temperate deciduous forest E) taiga and rainforest