How much of the Earth`s land surface is desert ?

examrobotsa's picture
Q: (SSC/0)
How much of the Earth's land surface is desert ?

question_subject: 

Geography

question_exam: 

SSC

stats: 

0,9,41,26,13,9,2

keywords: 

{'land surface': [1, 0, 1, 0], 'desert': [0, 0, 0, 1], 'earth': [0, 1, 1, 1]}