Arrange the atmospheric zones

Arrange the following atmospheric zones in terms of the distance from the earth’s surface in increasing order and select the correct answer from the code given below:
1. Thermosphere                      2. Ttoposphere             3. Stratosphere             4. Mesosphere

  1. 1, 3, 4, 2
  2. 2, 3, 1, 4
  3. 3, 4, 2, 1
  4. 2, 3, 4, 1
Monis Rasool Professor Asked on 15th May 2015 in Geography.
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1 Answer(s)

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Best answer

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Option 4 is the right answer.

The Troposphere is the lowest portion of Earth’s atmosphere. It contains approximately 75% of the atmosphere’s mass and 99% of its water vapour and aerosols. The average depth of the troposphere is approximately 17 km (11 mi) in the middle latitudes. It is deeper in the tropics, up to 20 km (12 mi), and shallower near the polar regions, approximately 7 km (4.3 mi) in winter.

The stratosphere is the second major layer of Earth’s atmosphere, just above the troposphere, and below the mesosphere. It is stratified in temperature, with warmer layers higher up and cooler layers farther down. The stratosphere is situated between about 10–13 km (33,000–43,000 ft; 6.2–8.1 mi) and 50 km (160,000 ft; 31 mi) altitude above the surface, while at the poles it starts at about 8 km (26,000 ft; 5.0 mi) altitude, and near the equator it may start at altitudes as high as 18 km (59,000 ft; 11 mi).

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 as the altitude increases. The  mesosphere is usually located at heights of about 50 kilometres (160,000 ft; 31 mi) above the Earth’s surface and the mesopause is usually at heights near 100 kilometres (62 mi), except at middle and high latitudes in summer where it descends to heights of about 85 kilometres .

The Thermosphere is the layer of the Earth’s atmosphere directly above the mesosphere and directly below the exosphere. The exosphere, beginning at 500 to 1,000 kilometres (310 to 620 mi) above the Earth’s surface, the atmosphere turns into space.

RE: Arrange the atmospheric zones



Harsh Vardhan Professor Answered on 15th May 2015.
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