What process accounts for the layers found in Earth?
A) Plate tectonics
B) Accretion
C) Density stratification
D) None of these choices
C
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The increasing gap in economic conditions between regions is described as
A) balance of power. B) trade theory. C) uneven development. D) capitalism. E) resource exploitation.
What is the relationship between the nitrate ion and the nitrite ion?
A) The nitrate ion has one less oxygen atom than does the nitrite ion and both have the same charge. B) The nitrate ion has one more oxygen atom than does the nitrite ion and both have the same charge. C) In addition to having one less oxygen atom than nitrite, nitrate also has a larger negative charge. D) In addition to having one more oxygen atom than nitrite, nitrate also has a larger negative charge.
Normal and reverse faults are characterized mainly by ________.
a.) dip slip b.) basal slip c.) horizontal slip d.) strike slip
Which of the following describes matter and energy flow in an ecosystem?
A) Matter and energy both flow through an ecosystem. B) Energy flows through an ecosystem, whereas matter is recycled within an ecosystem. C) Matter and energy both cycle within an ecosystem. D) Matter and energy flow in opposite directions within an ecosystem. E) Matter flows through an ecosystem, whereas energy is recycled within an ecosystem.