________ is the process in which hydrocarbons with higher boiling points could be broken down into lower boiling hydrocarbons by exposing them to very high temperatures.
Fill in the blank(s) with the appropriate word(s).
Answer: Cracking
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The Kyoto Protocol failed partly because the world's biggest emitter of CO2 failed to ratify it at the time it was negotiated.
Answer the following statement true (T) or false (F)
What is one reason why the U.S. East Coast has so many bays and islands?
A) The land has been uplifted by recent faulting. B) The land has been downdropped by recent faulting. C) Water released from melting glaciers raised sea level. D) A large tsunami from a meteoroid impact scoured the coastline.
The drainage density on clay soils is likely to have what relationship to the drainage density on gravel soils?
A) greater drainage density on clay soils B) greater drainage density on gravel soils C) equal drainage density, the soil type has no effect D) greater drainage density on clay soils, but with fewer streams
What drives the move to the suburbs from cities?
A) desire to live in less crowded, more peaceful conditions B) desire for close-knit communities C) concern over demographic transitions D) availability of more jobs in suburbs E) desire to have a garden