| The New Dictionary of Cultural Literacy, Third Edition. 2002. |
| |
| fossil fuels |
| |
| |
| Coal, petroleum, and natural gas. | 1 |
| All of these fuels were formed from the remains of plants and animals that lived millions of years ago. | 2 |
| All fossil fuels produce carbon dioxide when burned. (See greenhouse effect.) | 3 |
| Burning fossil fuels is a main cause of air pollution. | 4 |
| |
| | | The New Dictionary of Cultural Literacy, Third Edition. Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
|
|