The smith family uses more energy in the summer than the winter what is a good explanation for this?

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

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