What is the difference between numerical dates and relative dates?
Ans: Numerical dates specify an absolute age in number of years, whereas relative dates determine the order of events in relation to one another.
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Lillian safely touches a 100,000-volt Van de Graaff generator. Although the voltage is high, the small amount of charge means a small amount of
A. polarization. B. conduction. C. electric field. D. energy transfer.
Low-pressure areas tend to ____ before occluding and ____ after occluding
A) decelerate; accelerate B) accelerate; decelerate C) stop; accelerate D) decelerate; stop
In the last century, human activities have caused dramatic increases in concentration of many greenhouse gases.
Answer the following statement true (T) or false (F)
How does the strength of continental crust vary with depth?
A. Rocks systematically get stronger from the surface to deep in the crust. B. Rocks become stronger with depth and then get weaker deep in the crust. C. Rocks systematically get weaker from the surface to deep in the crust. D. Rocks weaken with depth and then get stronger deep in the crust.