Related Questions

An important gas in the atmosphere that absorbs sun's ultraviolet rays is
A Oxygen
B Nitrogen
C Ozone
D Hydrogen
When an object enters earths atmosphere, it travels ----
A very repidly
B in a rapid manner
C fastly
D rapidly
Ozone layer of atmosphere absorbs:
A Ultraviolet rays
B Infra-red rays
C All radiations of Light
D Cosmic rays.
Ultraviolet radiation striking the earth is due to the depletion of
A Carbon monoxide
B Carbon dioxide
C Ozone
D Oxygen
the wzone in the upper layers of Earth's atmosphere is beneficial, ____ animal and plant life from dangerous ultraviolet readittion
A protecting
B withdrawing
C thwarting
D displacing
Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ?
A Ionosphere
B Stratosphere
C Mesosphere
D Exosphere
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
Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect?
A CO2
B H2
C SO3
D N2
Scientists have speculated that the destruction of Earth's ozone layer would--------- us to damaging ultraviolet rays.
A exposed
B have been exposed
C expose
D have been exposing
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful
A Solar ultraviolet radiation
B Solar infrared radiation
C CO2 in the air
D SO2 in the air

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