What are the three main fossil fuels?
What will be an ideal response?
Answer: petroleum; natural gas; coal
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Explain the origin of varves and their significance in the chronologies of glacial lake deposits. What will be an ideal response?
What were the two forms of settlement within European colonies?
A) plantations in the middle latitudes; farm-family colonies in the tropics B) livestock ranching in the northern latitudes; orchards in the middle latitudes C) swidden agriculture in the tropics; pastoral nomadism in semi-arid lands D) livestock ranching in highlands; grain farming on the plains E) farm-family colonies in the middle latitudes; plantation colonies in the tropics
The volcanic explosivity index (VEI) can be correlated with the number of deaths caused by an
eruption.c Indicate whether the statement is true or false.
Briefly explain why water vapor may either contribute to or slow global warming
What will be an ideal response?