If there are no signal lights, you can cross the road even while the vehicles are moving to your left and right.

Choose the appropriate word and fill in the blank.

Cars and buses give out _____. (smoke, water)

Fill in the blank using the correct word.

Accidents occur mostly due to our _____. (carelessness/mindfulness)

Match the following.

Fill in the blank using the options below:
(Smoke, CNG, Pollution, Water, Vehicles, Factories)

The _____ released from vehicles and factories pollute the air.

Choose the right word and fill in the blank:

Coal, petrol and diesel release _____ (water vapour / smoke) on burning.