Question

Answer the questions in one or two lines: 1 x 5 = 05
1. What do we breathe in and breathe out?
2. What is a motion of a horse pulling a cart on straight road?
3. Which type of lens forms always a virtual image?
4. What is uniform motion?
5. What is sewage?

ONLY TWO LINE ANS PLEASE FAST​

Answer 1

Answer:

3 and

concave lens always form a virtual image