the water cycle

water moves from one part of the planet to another.:it falls from the atmosphere down to the earth, rivers and lakes and goes back into the atmosphere. this continual movement of water from one place living beings also intervene in the water cycle

example:

trees move huge quantities of water. they absorb water through their roots and then lose it again through there leaves.


why does water move?


-the movement of water from the rivers to the seas is doe to the inclination of the land. the movement of water from glaciers and the snow from the mountains to the rivers is doe to melting.

-the movement of water from seas, rivers and lakes to the atmosphere is doe to evaporation.

-water vapour cools in the atmosphere and forms drops of water this is condensation.




water is not evenly spread out

although is always moving arround, in some areas there is plenty of water and in other areas there is not enough

-the most humid parts of the earth are the topics and the equador rainfall is very heavy in these areas is enough rainfall in the temperatur areas northerm europe, asia and amèrica, to ensure that water is never scerce.

the driest areas are to north and south of the tropics and this is where nearly all the world's desserts are located. in these places it hardly rains.