PLEASE HELP ME WITH THESE THREE QUESTIONS!!!!!!!!!!!!

Some of the newest types of modern appliances are 100% efficient and lose no energy to heat.
True
False
A perpetual motion machine is an invention that has only worked a few times in history.
True
False
Thermal pollution occurs when factories use water to cool down their heated machinery, and then release the heated water into rivers and oceans.
True
False

Question

02-03-2015
Chemistry

Answered

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PLEASE HELP ME WITH THESE THREE QUESTIONS!!!!!!!!!!!!

Some of the newest types of modern appliances are 100% efficient and lose no energy to heat.
True
False
A perpetual motion machine is an invention that has only worked a few times in history.
True
False
Thermal pollution occurs when factories use water to cool down their heated machinery, and then release the heated water into rivers and oceans.
True
False

Sagot :

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