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Question
Match the following.
LIST - I LIST - II A. Prevents UV radiation 1. Mesosphere B. No propagation of sound waves 2. Thermosphere C. Maintenance of the heat balance 3. Stratosphere D. All gases are ionised 4. Troposphere 5. Lithosphere
Match the following.
| LIST - I | LIST - II |
| A. Prevents UV radiation | 1. Mesosphere |
| B. No propagation of sound waves | 2. Thermosphere |
| C. Maintenance of the heat balance | 3. Stratosphere |
| D. All gases are ionised | 4. Troposphere |
| 5. Lithosphere |
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Solution
The correct option is A 3 1 4 2
Troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% of the atmosphere's mass and 99% of its water vapour and aerosols.
The mesosphere is the layer of the Earth's atmosphere that is directly above the stratopause and directly below the mesopause. In the mesosphere temperature decreases with increasing height. The main dynamic features in this region are strong zonal (East-West) winds, atmospheric tides, internal atmospheric gravity waves and planetary waves. Most of these tides and waves are excited in the troposphere and lower stratosphere, and propagate upward to the mesosphere. In the mesosphere, gravity-wave amplitudes can become so large that the waves become unstable and dissipate.
The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere; ozone here absorbs high energy UVB and UVC energy waves from the Sun and is broken down into atomic oxygen (O) and diatomic oxygen. Atomic oxygen is found prevalent in the upper stratosphere due to the bombardment of UV light and the destruction of both ozone and diatomic oxygen.
The thermosphere is the layer of the Earth's atmosphere directly above the mesosphere and directly below the exosphere. Within this layer, ultraviolet radiation (UV) causes ionization. The thermosphere begins about 85 km above the Earth. Thermospheric temperatures increase with altitude due to absorption of highly energetic solar radiation.
Earth's lithosphere includes the crust and the uppermost mantle, which constitute the hard and rigid outer layer of the Earth.
Troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% of the atmosphere's mass and 99% of its water vapour and aerosols.
The mesosphere is the layer of the Earth's atmosphere that is directly above the stratopause and directly below the mesopause. In the mesosphere temperature decreases with increasing height. The main dynamic features in this region are strong zonal (East-West) winds, atmospheric tides, internal atmospheric gravity waves and planetary waves. Most of these tides and waves are excited in the troposphere and lower stratosphere, and propagate upward to the mesosphere. In the mesosphere, gravity-wave amplitudes can become so large that the waves become unstable and dissipate.
The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere; ozone here absorbs high energy UVB and UVC energy waves from the Sun and is broken down into atomic oxygen (O) and diatomic oxygen. Atomic oxygen is found prevalent in the upper stratosphere due to the bombardment of UV light and the destruction of both ozone and diatomic oxygen.
The thermosphere is the layer of the Earth's atmosphere directly above the mesosphere and directly below the exosphere. Within this layer, ultraviolet radiation (UV) causes ionization. The thermosphere begins about 85 km above the Earth. Thermospheric temperatures increase with altitude due to absorption of highly energetic solar radiation.
Earth's lithosphere includes the crust and the uppermost mantle, which constitute the hard and rigid outer layer of the Earth.
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