HELP PLS PLS PL Energy is converted from kinetic energy to potential energy when you
ski down a hill.
climb a mountain.
run around a track.
sit at a desk in physics class

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

How many grams of aluminum will there be in 98g of al2o3?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?