Question

1. Describe how three gases that make up our atmosphere are important to us?

2. Explain how two properties of the atmospheric layer closest to the surface of Earth affects our lives every day.

3. What is an important property found in the stratosphere and how does it affect our lives?


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Answer 1

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Answer 2

1. Oxygen- supplies humans, plants (during night) and animals for respiration and it is widely used in industries to burn fuels, which are used in vehicles, lighting, also react with sme compounds undergound, in order to fossilize some elements or substances.
Nitrogen - a crucial resorce for the production of fertilizers, ammonia, nitric acids and explosives, that would be used in agriculture, to improve the growth of crops, benefiting billions of people worldeide and to use in construction, respectively.
Carbon dioxide - it is a fundamental nutrient required by plants to photosynthesize, fabricating organic nutrients necessary for our nutrition.

2. Troposphere - it is one of the most agitated layers of the atmosphere, where the lightnings, thunderstorms and rainfalls take place, supplying Earth with electric charge and water for plants, animals, humans, construction of dams, of electricity, to be used in industries.

3. It is that we encounter the ozone layer, responsable of protecting us against the harmful ultraviolet rays.

Answer 3

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Answer 4

You are welcome.