Question

Answer the questions in the picture.
From question 1 to 5.

Answer 1

4ans. In the space the medium is present is hypothetical medium when the force of attraction is attract the meteor the velocity is maximum at surface on the earth thus in presence of vaccum the meteor comes down to earth its coverd a maximum velocity increasing rapidly thus it is known as shooting star.

Answer 2

Ans2
mercury is closer to sun but venus is the hottest planet because it ( venus) has a layer of carbon dioxide which aytracts heat and cause green house effect