What occurred to magnetic field strength in Glatzmaier and Roberts' model during polarity reversals?
A) it decreased
B) it stayed the same
C) it increased
D) it disappeared
Answer: A
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Based on both percentage of world population and annual stream flows, what can be deduced from this table
Sediments derived from land are called ________. Most that make it into the sea are deposited in the ________
a. hydrogenous; continental margin b. terrigenous; continental margin c. terrigenous; deep seafloor d. hydrogenous; deep seafloor
The Industrial Revolution
A. resulted in the development of factories. B. caused people to leave cities for rural areas. C. is based on the use of automobiles. D. resulted in better working condition.
Vitamin A deficiencies are associated with
A. Blindness B. Poorly developed neural systems in embryos C. Weak bones D. A lack of energy, or listlessness E. Anemia