Which is important?

Which mode do we use to go to places nearby our home?

Cities are connected by :

Boats and ships are called:

Trains arrive at  and leave from :

Which is the most commonly used means of  air transport?

Which is the mean of transport used in villages?

Vehicles give out a smoke into the air; this causes:

Goods and letters are also sent by:

Which carries passengers and goods from one country to another on oceans?