How many surviving species of camels are in the world?  

Which ship carries things from one place to another by sea.

Using cycle to travel from one place to another is prevent  

Which aircraft is used to visit places were planes cannot reach easily.

Which transportation is the set of two parallel steel rails.

Which animal is not using for moving goods or transportation?

In olden days, which animal carries goods.

Which is humans' first means of transportation.

Train runs on

Which is the fastest way of transportation?