Which of the following layers of the atmosphere is highest above the surface of

Question

Which of the following layers of the atmosphere is highest above the surface of the Earth? a. Troposphere b. Stratosphere c. Thermosphere d. Mesosphere e. Ozone Layer What is the primary constituent of the Earth's atmosphere? a. Nitrogen b. Oxygen. c. Hydrogen d. Carbon dioxide e. Sulfur dioxide In which layer of the atmosphere does weather occur? a. Troposphere b. Stratosphere c. Ionosphere d. Mesosphere e. Hydrosphere In the past century, the average global temperature has a. Remained nearly unchanged. b. Increased by about 1.4-1.6 degree C. c. Increased by about 1 degree C. d. Increased by about 2 degree C e. Increase by about 6-9 degree C.

Explanation / Answer

1) correct options are (c),(d)

2) Correct option is (a)

By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases

3) correct option is (a)

The troposphere is the first layer above the surface and contains half of the Earth's atmosphere. Weather occurs in this layer.

4) correct option is (d)

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