Human body cells are approximately ______ water.

The tendency of molecules of the same kind to stick together is called ______.

Why (if you are careful) are you able to float a needle on the surface of water?

Sweating cools your body by ______.

As water freezes, ______.

Sugar dissolves when stirred into water. The sugar is the ______, the water is the ______, and the sweetened water is the ______.

A base ____________.

The lower the pH of a solution, the ______.

What name is given to substances that resist changes in pH?

Household bleach _______________ than household ammonia .

If the brain is not properly hydrated, ___________________.

People who exercise regularly ___________________.

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