PDF chapter test TRY NOW

 
springs
advantages
deserts
sand
25
vital
oceans
Oasis
one-fifth
earth
forests
desert ecosystem
valuable
dryness
not useless
earth's surface
wells
essential
 
 
Believe it or not,  are not merely the land of  and  but the home of some varieties of plants and animals.  It's a common misconception that deserts are devoid of water because some deserts have water in them. Water resources occur in the form of springs and wells in some deserts. This water-available region in deserts is called 'Oasis'. Generally, a desert receives not more than  centimeters (10 inches) of precipitation a year and so rainfall is one of the important factor that determines the dry condition of the desert.

 
Water from  and  spreads through , which helps in maintaining its fertility. With the existence of Oasis among deserts, plant, human and animal life is possible.
 
 
Nonetheless, some deserts exist without water. As a result, only a few plants can survive in those sandy regions.

  
While it may be true that a  is not the same as a forest, it does have its  as forests. Like forests that give out food, paper, woods, oil, minerals, etc., deserts give gold, copper, oil, minerals, sand, etc.

 
Like the rich  and , deserts play a  role in the , covering about  of its surface. Thus, deserts are  sand-filled regions as some think but a and  part of the .