Question

4. The layer of atmosphere about which we know very little is

5. The troposphere is the ................ region in the earth's atmosphere


6. The .................... is the outermost layer of the earth's atmosphere. .

7. ............is the most abundant gas in the earth's atmosphere


8. Which gas protects us from the ultraviolet rays of the sun?

please give answer ​

Answer 1

Answer:

4) Troposphere

5) First

6) Exosphere

7) Carbon Dioxide

8) Ozone

Explanation:

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Answer 2

Answer:

Modern science is typically divided into three major branches that consist of the natural sciences (e.g., biology, chemistry, and physics), which study nature in the broadest sense; the social sciences (e.g., economics, psychology, and sociology), which study individuals and societies; and the formal sciences (e.g., logic, mathematics, and theoretical computer science), which study abstract concepts. There is disagreement,[19][20][21] however, on whether the formal sciences actually constitute a science as they do not rely on empirical evidence.[22][20] Disciplines that use existing scientific knowledge for practical purposes, such as engineering and medicine, are described as applied sciences