science

the hydrosphere covers about 70% of earth`s surface

• true

• false

draw a source of water

name the sources of water

what is the thing that cover most of the earth ?

• water

• land

• air

• snow

true or false

is the water that is between a hill and a mountain called a lake?

what is the type of water that covers the earth the most?

• salt water

• fresh water

• not water

• salt water and fresh water

what is the percentage of the lake water

• 87%

• 97%

• 30%

• 11%

where can you find the most fresh water?

• ocean

• ice cap and glaciers

• river and lakes

• ice cap-glacier-river-lakes

all water on earth is recycled through what

• the water cycle

• pockets of nitrogen

• exhaled gases

• dead plant and animal matter

what is the source of surviving animals and humans on the earth

• breathing

• salt water

• anything

• fresh water