Write a short note on importance of air​

We all need oxygen for respiration. The animals that live both on land and even the aquatic animals need oxygen to exist otherwise they would all perish. We use oxygen all the time but it is still not exhausted because trees return this oxygen to the atmosphere during the process of photosynthesis. ...

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying