Toys that are considered eco-friendly are those that
promote interest in preserving the natural environment.
use natural materials.
help the development of social skills
use high quality fibre.
Toys that are considered eco-friendly use natural materials which don’t harm the environment.
Non tradeable natural resources are being indiscriminately contaminated by the thoughtless use of less environment friendly activities.
Which of the following is the most environment friendly fuel to be used in automobiles?
(a) petrol
(b) diesel
(c) natural gas
(d) petroleum gas