water changing from liquid to vapor

Liquid water changing into solid

A natural gas made when microbes digest waste material

Amount of water vapors in the air is called

An under ground layer of water is

Which layer of the earth's atmosphere contains most of the planet's water?

Solid waste from sewage is

The Hydrological cycle also means;_______

Water evaporates from plant leaves through it process called______________

A __________ is formed when water vapor freezes around a microscopic grain of dust.

The groundwater in Pakistan is getting __________,so wells have to be dug deeper and deeper.

A natural gas made when microbes digest waste material

Reservoirs that control the flow of water and prevent floods