QUESTION 1

1. Oil and natural gas deposits were formed from
   

   		plant life in ancient swamps
   		ancient plankton and marine life
   		freshwater organisms from the last 100,000 years

3 points

QUESTION 2

1. Coal is made almost entirely of which chemical element?
   

   		sulfur
   		carbon
   		mercury

3 points

QUESTION 3

1. The three biggest users of the world’s oil supplies are
   

   		China, Japan, and the U.S.
   		Russia, Japan, and Saudi Arabia
   		Saudi Arabia, Nigeria, and Russia

3 points

QUESTION 4

1. Which of the following areas is a major coal-producing area within the U.S.?
   

   		Appalachian Mountains
   		south Florida
   		Pacific Northwest coastline

3 points

QUESTION 5

1. Oil shale and oil sands are two conventional forms of petroleum that are almost completely used up.
   

   
   True
   
   False
   

2 points

QUESTION 6

1. What type of coal is the most efficient when burned as a fuel?
   

   		peat
   		anthracite
   		bituminous

3 points

QUESTION 7

1. Coal is burned to produce steam in an electrical power plant. The steam is then used to
   

   		turn a motor called a turbine
   		convert mechanical energy to electrical energy
   		extract atoms from the coal

3 points

QUESTION 8

1. Which of the following gases is the major byproduct of fossil fuel combustion?
   

   		water vapor
   		methane
   		carbon dioxide

3 points

QUESTION 9

1. Which of the following gases is produced from incomplete combustion of fossil fuels?
   

   		methane
   		carbon monoxide
   		carbon dioxide

3 points

QUESTION 10

1. Which of the following processes releases carbon to the atmosphere?
   

   		animal respiration
   		fossil fuel combustion
   		both of these