Answer: By practicing her speech, Laura's nerves calm down.
Explanation: Making a presentation is often a difficult thing for most people because the lack confidence presenting in front of a large audience. However with constant practicing one can over come the fear of public speaking. Also having positive thoughts boosts your advantage and confidence to speak to an audience.
Answer:
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Explanation:
Answer:
Coal and oil are fossil fuels.
Explanation:
Wind is usable as renewable energy. Coal and oil were formed long, long ago and we will run out of them eventually.