Question

2 differences between ; planet and star , living and non living , rotation and revolution .....

Answer 1

1) Star is heavenly body which is very far away from the earth and it emits light which gives a twinkling effect where as the planet are the collection of point sources heavenly bodies which are near to the earth and due a collection of point sources they do not emmit light.

2) living things are those things which can perform all the life processes suc as reproduction, locomotion, respiration, etc where as Non living things do not perform any life process. ..

3) Rotation of a body is a phenomenon in which body spins itself on its own axis where as revolution is the phenomenon in which body makes a circular or any arbitrary path around a body....

Answer 2

1. A planet is a large space object which revolves around a star.
2. A star is a natural luminous body visible in the sky especially at night.
3. living thing are the organism, that are alive.
4. Non - living thing are all the objects that are not alive.
5. Rotation is a circular movement around a center or point.
6. Revolution is the movement of an object around a center or another object.