Exam 22: Resources

Ores are naturally occurring materials that can be mined profitably.

The first law of thermodynamics states that energy can neither be created nor destroyed.

An oil field is a region underlain by one oil pool.

Geological resources sustain life, and the most fundamental of these resources are _____.

The United States has enormous quantities of oil in __.

Evaporite deposits are important sources of ___.

Pencil lead is made of _____.

Economic deposits of petroleum require _____.

In terms of plate tectonics, future oil reservoirs form most easily in areas ____.

A _____ is the term used to describe the portion of a resource that has been discovered or inferred with some degree of certainty and can be extracted for a profit.

Most geologic resources are ____, they form very slowly and are extracted much faster than nature replaces them.

The origin of petroleum is very similar to that of coal.

Coalbed methane is never going to be a significant source of natural gas.

The ratio of the amount of energy extracted versus the amount of energy put into the extraction process of a resource can be initialized as ____.

Most geologic resources are renewable.

Most copper ores are ___.

Over 60% of the world's oil comes from exploitation of oil fields in the Middle East.

In placer deposits, streams concentrate heavy mineral into ores.

A barrel of oil contains ______ U.S. gallons.

This type of geologic resource provides the power that drives the modern world.