Question

Tick the correct options.
1. The Earth's atmosphere is held in place by
(a) the gravity of the Sun
(b) the gravity of the Earth
(d) the weight of the moisture in the air (d) the rotation of the Earth
2 The process by which green plants make their food from carbon dioxide and water, in the
presence of sunlight is called
al floatosunthesis (b) photosynthesis (c) photoprocessing (d) none of these
3. In the mesosphere, the temperature
(a) starts increasing once more
(b) starts decreasing once more
(c) stays constant
(d) first rises, then falls and then rises again
4 What percentage of the atmosphere is made up of carbon dioxide?
a) 3.1
(b) 31
(c) 0.3
(d) 0.03
5. All the process of weather like-wind, rain and storms occur here
(a) stratosphere (b) troposphere (c) mesosphere (d) thermosphere​

Answer 1

Answer:

1 a

2 c

3 à

4 d

5 b

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Answer 2

Answer:

Answers of the following are

Explanation:

1. ( b) the gravity of the earth.

2. ( b) photosynthesis.

3. (c) stay constant

4. (a) 3.1

5. (b) thermosphere