Front

Oil and natural gas result from: the migration of complex carbohydrate molecules to nonporous rock formations, the decay of tiny marine organisms that accumulated on the ocean floor millions of years ago, the burning of high-sulfur, low-grade uranium, the decay of plants that lived in swamps hundreds of thousands of years ago

Back

the decay of tiny marine organisms that accumulated on the ocean floor millions of years ago

Front

A(n) ________ is a nonrenewable energy resource formed from the remains of organisms that lived long ago; examples include oil, coal, and natural gas.

Back

fossil fuel

Front

The four main purposes of fuel are transportation, manufacturing, heating and cooling buildings, and ...

Back

generating electricity

Front

What are the two disadvantages to electricity? Other energy sources have to be used to generate it, and it is...

Back

difficult to store

Front

___________ produces electrical energy by moving an electrically conductive material within a magnetic field.

Back

Generators

Front

The US uses more than ________ of its energy to transport goods and people.

Back

25%.

Front

There is an abundance of oil in which of the following states? Texas and Alaska, Texas and Oklahoma, Nebraska and Arkansas, Nevada and New Mexico

Back

Texas and Alaska

Front

Coal forms from the remains of ________ that lived in swamps many years ago.

Back

plants

Front

Nearly 1/2 of the energy in the US comes from ________ power plants.

Back

coal-fired

Front

Petroleum is also known as _______.

Back

crude oil