Explanation:
Generate electricity Fossil fuels can be burned to power vehicles like cars, but they can also be used to:generate electricity
Answer:
The independent variable is "controlled" or held constant in the control group.
Explanation:
There are two broad classes of seismic waves: body waves and surface waves. Body waves travel within the body of Earth. They include P, or primary, waves and S, or secondary, waves. P waves cause the ground to compress and expand, that is, to move back and forth, in the direction of travel.
Answer:
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Explanation: