B. Answer the following questions in not more than 20 words.
1. What is the atmosphere?
2. What are the two main constituents of the earth's atmosphere?
3. What is meant by air pollution?
4. Define atmospheric pressure.
5. Name the instrument used for measuring atmospheric pressure.
6. How does temperature affect pressure?
guys I want answer for this pls
Answers
Answer:
oh my god six questions ohhh nooooooo
Answer:
1= atmosphere is the thin blanket of air that surrounds the earth. it protect us from the harmful Ray's of sun it consists of several gas
2= the constituents are nitrogen (71 ) percent and oxygen (21) percent. with a small amount of organ
3= air pollution is a mixture of solid particles and gases in the air. car ,emission, chemical from factory, dust,pollen and spores may be suspend as particles
4= the pressure exerted by weight of air on the earth surface Is know as atmospheric pressure
5= the name of instrument use to measuring atmospheric pressure barometer
6= the temperature of the gas is proportional to the average kinetic energy of its molecules
bhi ye kya tha next time se alag alag kar ke question send karna