By reducing the need for fossil fuels through the use of the ethanol biofuel.
The presence of U-shaped valleys is the best evidence that glaciers one covered an area. The correct answer is B, U-shaped valleys.
Solution. Models are being used as a simplified representation of an object, idea, or an event that is too complex, too small, or too big to study. Scientists use models in order to show how a certain phenomenon occurs and to answer the questions regarding it.
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The church, biblical laws.
If you're asking true or false, the answer is false.
