(Relationships): A balloon floats at 6 meters in the air. If it loses half of its gravitational potential energy without changing its mass, what is its height?

the part of the wave he is travelling on is the crest

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d