Question

If there were no atmosphere around the earth, the temperature of the earth will

• A. Increase
• B. Go on decreasing
• C. Increase during the day and decrease during the night
• D. Be unaffected

Answer 1

The correct option is C

Increase during the day and decrease during the night

The correct option is C.

Explanation for correct option:

1. The atmosphere is a blanket of gases that covers the earth. It stays near the earth's surface by the Earth's gravitational pull.
2. It retains the heat of the sun and prevents it from escaping back into space and helps maintain the moderate climate on earth.
3. It shields the living organisms on earth from the harmful radiation of the sun.
4. In the absence of an atmosphere, there would be no life, wind, or fires.
5. The temperature would range from -190 degrees celsius to 110 degrees Celsius. It would increase during the day and decrease at night.

Explanation for incorrect option:

Option A:

1. In the absence of an atmosphere, the temperature would range from -190 degrees celsius to 110 degrees Celsius. It would increase during the day and decrease at night.

Option B:

1. In the absence of an atmosphere, the temperature would range from -190 degrees celsius to 110 degrees Celsius. It would increase during the day and decrease at night.

Option D:

1. In the absence of an atmosphere, the temperature would range from -190 degrees celsius to 110 degrees Celsius. It would increase during the day and decrease at night.

Final answer: If there were no atmosphere around the earth, the temperature of the earth will increase during the day and decrease during the night.