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Chemical Environmental Engineering

There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth’s surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about _____________ °C/km?

Chemical Environmental Engineering /
There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth’s surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about _____________ °C/km?

A. 0.05
B. 1
C. 6.5
D. 15

There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth’s surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about _____________ °C/km? Read More »

Chemical Environmental Engineering

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of________________?

Chemical Environmental Engineering /
Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of________________?

A. CO2
B. SO2
C. Hydrocarbons
D. CFC (chloro fluoro carbon)

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of________________? Read More »

Chemical Environmental Engineering

Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur ?

Chemical Environmental Engineering /
Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur ?

A. Thermosphere
B. Troposphere
C. Stratosphere
D. None of these

Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur ? Read More »

Chemical Environmental Engineering