Wireless communication is reflected to earth`s surface by

examrobotsa's picture

Submitted by examrobotsa on

Q: 11 (UPPSC/2013)
Wireless communication is reflected to earth's surface by

question_subject: 

Geography

question_exam: 

UPPSC

stats: 

0,95,16,5,5,95,6

keywords: 

{'wireless communication': [0, 0, 0, 1], 'troposphere': [6, 1, 1, 1], 'ionosphere': [1, 0, 0, 0], 'exosphere': [3, 0, 3, 4], 'stratosphere': [1, 0, 1, 0], 'earth': [0, 1, 1, 1], 'surface': [1, 0, 0, 0]}