There are many different types of precipitation —rain, snow, hail, and sleet for example—yet they all have a few things in common. They all come from clouds. They are all forms of water that fall from the sky.
Answer:
so you know the units in the problem and answer are the same, if they aren't you have to convert them to the same units.
Float. This is because water has a density of 1 g/ml, so anything less than this will float.