Question

Which one of the following statements is true about tunnels?

• A. They are created to travel through plains.
• B. They are created to travel through mountains.
• C. They cannot be used to transport goods.
• D. They do not have an impact on traffic.

Answer 1

The correct option is B They are created to travel through mountains.

Tunnels are created by making a passage through mountains to travel through them and cross mountains. They are also built under water.