How does energy and temperature affect the density of fluids (liquids and gases)?​

When a liquid or gas is heated, the molecules move faster, bump into each other, and spread apart. Because the molecules are spread apart, they take up more space. ... The molecules move more slowly and take up less space. Therefore temperature can affect density.

Explanation:

i think it is non rem sleep

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

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