Why does ice float after it crystallizes?
its specific gravity is greater than water.
its density is greater than water.
its density is less than water.
air trapped in ice causes it to float.

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.