Question

Lowermost layer of Atmosphere is?

• A. Troposphere
• B. Stratosphere
• C. Thermosphere
• D. None of the above

Answer 1

Answer:

A. Troposphere

Read Explanation:

Troposphere

• The Troposphere is the lowest layer of Earth's atmosphere

• It extending from the surface up to an average altitude of 12 kilometers (7.5 miles)

• It contains approximately 75-80% of the atmosphere's total mass and 99% of its water vapor

Characteristics of Troposphere

• Temperature: Decreases with altitude.

• Pressure: Decreases with altitude.

• Humidity: High, with most atmospheric water vapor.

• Weather: Almost all weather phenomena occur here.

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