Pick out the wrong statement.
A. The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone
B. Mesosphere is characterised by very low atmospheric pressure and low temperature
C. Troposhere is a dusty zone containing water vapor and clouds
D. The radio waves used in the long distance radio communication are reflected back to earth by stratosphere
Answer: Option D
Related Questions on Environmental Engineering in CE
Fluorosis is caused due to the presence of excessive amount of __________ in drinking water.
A. Mercury
B. Lead
C. Fluoride
D. Arsenic
Smog is not formed due to the presence of __________ in the atmosphere.
A. SO2
B. NOx
C. CO2
D. Any of these
Dose of chlorine for disinfection of water is about __________ mg/litre of water.
A. 0.01
B. 0.1
C. 0.3
D. 1
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