Question

ng with uniform velocity
73. The distance-time graph for a vehicle
standing on a road side will be
(a) straight line inclined by some angle to x-axis
(b) straight line parallel to x-axis
(c) straight line parallel to y- axis
(d) None of the above​

Answer 1

Answer:

Match the pairs from 'A' and 'B' col-

umns and explain the effect of pollution

on human health.

Column A'

Column ‘BY

1. Water

a. Mental

containing cobalt retardedness

2. Methane gas

b. Paralysis.

3. Water containing c. Inflammation

lead

of lungs.

4. Sulphur dioxide d. Skin cancer

5. Nitrogen dioxide e. Irritation of

eyes