Answer:
Cooling a substance causes molecules to slow down and get slightly closer together, occupying a smaller volume that results in an increase in density. Hot water is less dense and will float on room-temperature water. <u>Cold water is more dense and will sink in room-temperature water.</u>
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Answer:
To a certain extent absolutly. They can impact human health for the worse and more.
The answer is b damaged tissue can not be repaired
False; Because when 2 substances are mixed another substance is created.
Answer:
<em>reversible redox reaction</em>
Explanation: