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Which of the following statements concerning the atmosphere of the Earth is correct?
1. In the stratosphere, temperature increases with altitude.
2. In the mesosphere, temperature decreases with altitude.
3. The lowest temperature of the atmosphere is recorded in the upper part of mesosphere.
4. The tropopause is an isothermal zone.
Select the correct answer using the code given below.
  • a)
    1 and 2 only
  • b)
    1, 2 and 3 only
  • c)
    3 and 4 only
  • d)
    1, 2, 3 and 4
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following statements concerning the atmosphere of the Ear...
  • In the stratosphere, temperature increases with altitude.
  • In mesosphere, temperature decreases with altitude
  • The lowest temperature of the atmosphere is recorded in the upper part of mesosphere.
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Most Upvoted Answer
Which of the following statements concerning the atmosphere of the Ear...
Atmosphere of the Earth

The Earth's atmosphere is a layer of gases that surrounds the planet. It plays a crucial role in protecting life on Earth and regulating the planet's temperature. The atmosphere is divided into several layers based on temperature changes with altitude. Let's examine the given statements to determine which ones are correct.

1. In the stratosphere, temperature increases with altitude.
The stratosphere is the layer of the atmosphere located above the troposphere and below the mesosphere. In this layer, the temperature actually increases with altitude. This is primarily due to the absorption of ultraviolet radiation by the ozone layer, which is present in the stratosphere. Therefore, statement 1 is correct.

2. In the mesosphere, temperature decreases with altitude.
The mesosphere is the layer of the atmosphere located above the stratosphere and below the thermosphere. In this layer, temperatures generally decrease with increasing altitude. The mesopause, which is the boundary between the mesosphere and thermosphere, is the coldest part of the Earth's atmosphere. Therefore, statement 2 is correct.

3. The lowest temperature of the atmosphere is recorded in the upper part of the mesosphere.
As mentioned earlier, the mesopause, which is the boundary between the mesosphere and thermosphere, is the coldest part of the Earth's atmosphere. It is located at an altitude of about 80-85 kilometers (50-53 miles) above the Earth's surface. Therefore, statement 3 is correct.

4. The tropopause is an isothermal zone.
The tropopause is the boundary between the troposphere and the stratosphere. It is characterized by a change in temperature lapse rate, where the temperature generally stops decreasing with increasing altitude. However, the tropopause is not an isothermal zone, meaning the temperature does not remain constant within this layer. Therefore, statement 4 is incorrect.

Conclusion
In conclusion, statements 1, 2, and 3 are correct, while statement 4 is incorrect. Therefore, the correct answer is option D, which includes all four statements.
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Which of the following statements concerning the atmosphere of the Earth is correct?1. In the stratosphere, temperature increases with altitude.2. In the mesosphere, temperature decreases with altitude.3. The lowest temperature of the atmosphere is recorded in the upper part of mesosphere.4. The tropopause is an isothermal zone.Select the correct answer using the code given below.a)1 and 2 onlyb)1, 2 and 3 onlyc)3 and 4 onlyd)1, 2, 3 and 4Correct answer is option 'D'. Can you explain this answer?
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Which of the following statements concerning the atmosphere of the Earth is correct?1. In the stratosphere, temperature increases with altitude.2. In the mesosphere, temperature decreases with altitude.3. The lowest temperature of the atmosphere is recorded in the upper part of mesosphere.4. The tropopause is an isothermal zone.Select the correct answer using the code given below.a)1 and 2 onlyb)1, 2 and 3 onlyc)3 and 4 onlyd)1, 2, 3 and 4Correct answer is option 'D'. Can you explain this answer? for Defence 2024 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about Which of the following statements concerning the atmosphere of the Earth is correct?1. In the stratosphere, temperature increases with altitude.2. In the mesosphere, temperature decreases with altitude.3. The lowest temperature of the atmosphere is recorded in the upper part of mesosphere.4. The tropopause is an isothermal zone.Select the correct answer using the code given below.a)1 and 2 onlyb)1, 2 and 3 onlyc)3 and 4 onlyd)1, 2, 3 and 4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Defence 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements concerning the atmosphere of the Earth is correct?1. In the stratosphere, temperature increases with altitude.2. In the mesosphere, temperature decreases with altitude.3. The lowest temperature of the atmosphere is recorded in the upper part of mesosphere.4. The tropopause is an isothermal zone.Select the correct answer using the code given below.a)1 and 2 onlyb)1, 2 and 3 onlyc)3 and 4 onlyd)1, 2, 3 and 4Correct answer is option 'D'. Can you explain this answer?.
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