Thrust a magnet into a coil of wire and the coil
A) becomes an electromagnet.
B) has a current in it.
C) both A and B
D) neither A nor B
C
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A population growth rate of 1% means a population will double in 70 years (70/growth rate). China's growth rate is 0.65%, which means
A. its population of 1.3 billion will reach 2.6 billion by 2080. B. at the current rate, its population would double in 108 years. C. the population has already begun to decrease from its peak 1.31 billion. D. China needs to reconsider its one-child policy
Soil scientists distinguish soil from regolith on the basis of the soil's
A. physical texture. B. chemical composition. C. depth below the surface. D. ability to support plant life.
What region of a continental margin blends into the deep-ocean basin?
a. Continental slope b. Continental shelf c. Continental basin d. Continental rise e. Continental plain
How have countries without oil resources in Southwest Asia and North Africa developed economically? What accounts for regional patterns of poverty in the region?
What will be an ideal response?