MCQOPTIONS
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| 1. |
Acid rain concentrated in the eastern portions of the United States is primarily the result of |
| A. | nuclear power plants in the region |
| B. | coal-burning power plants in the Midwest |
| C. | hydro electric power plants in northeastern Canada |
| D. | off-shore oil drilling rigs along the east coast of the United States |
| Answer» C. hydro electric power plants in northeastern Canada | |