Precious water

Water covers ....... precent of earth's surface

• 91

• 51

• 71

• 21

...... precent of all water available on earth is fit for consumption

• 0,006

• 0,16

• 0,66

• 0,6

Water exists on earth in the forms of ..... (which one is odd?)

• solid

• liquid

• salt

• gas

Rainwater absorbed by soil is known as ......

• salt water

• groundwater

..... is an important source of freshwater water on earth

• groundwater

• salt water

• oceans

Problems that cause water shortages (choose the odd word)

• heavy rain

• deforestation

• increasing population

Choose the correct water cycle

• precipitation - collection - condensation

• precipitation - collection - evaporation - condensation

• precipitation - evaporation -

  collection - -condensation