Which energy source does not originate from the sun?

Which is an example of a secondary energy source?

Which of the following is NOT one of the four basic types of coal?

A mixture of chemicals that break down oil into smaller drops that mix more easily with water is called

Which of the following is NOT a characteristic of a chemical coagulant?

the ratio of the amount of work done to the total amount of energy introduced to the system

Which nonrenewable energy source in known as the highest emitter of pollutants and greenhouse gas?

Which nonrenewable energy source is rarely used to generate electricity?

Which nonrenewable energy source has many different uses including heating/cooling homes, cooking, and power production?

A unit of measure for radiation; equals 37 billion decays per second.

Gooey liquid consisting of hydrocarbon compounds and other compounds, formed from the remains of ancient organisms over the course of millions of years.

Underground deposits of gases consisting of 50-90% methane and smaller amounts of heavier gaseous hydrocarbon compounds such as propane and butane are known as _____.

_______ is a solid fossil fuel formed from the remains of land plants that were buried and exposed to intense heat and

pressure for 300-400 million years.

What is the world’s most abundant nonrenewable

fossil fuel?

The most widely used energy resource in the

United States is _____.

______ is emitted to the atmosphere during the production, processing, storage, transmission, and distribution of natural gas.

Which of the following is NOT a harmful product released when coal is burned?

Crude oil refined into various products. Which of the following is NOT a product created by refining Crude Oil?