Our water supply

water that flows from mountains into rivers and lakes

• run off

• polluted water

• sludge

water changing from liquid to vapor

• sublimation

• condensation

• evaporation

Liquid water changing into solid

• melting

• freezing

• boiling

A natural gas made when microbes digest waste material

• Bio gas

• nitrogen

• oxygen

Amount of water vapors in the air is called

• evaporation

• Humidity

• Fog

An under ground layer of water is

• snow

• glaciers

• Aquifers

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

• Mesosphere

• Troposphere

• Stratosphere

Solid waste from sewage is

• microbes

• bio solids

• sludge

The Hydrological cycle also means;_______

• Condensation

• Water Cycle

• Attrition

Water evaporates from plant leaves through it process called______________

• Evaporation

• Transpiration

• condensation