1. hydroelectricity
These plants, which include coal, nuclear, oil and gas, not only create a lot of pollution and other harmful effects, but they also use valuable, nonrenewable resources. ... It causes hardly any pollution (Humphrys, 100). ... Inexpensive electricity is produced without any pollution in hydro plants. ... There are three main types of hydroelectric power plants. ...
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- Approx Pages: 3
- Grade Level: High School