How are you, Mayleen!

Good afternoon, Mr. [Name]!

A happy Monday to you! ^_^)/

Thank you for answering your homework.

I definitely agree with your answers - - advantage and disadvantage.

I will talk to you again tomorrow.^^ Enjoy the rest of the day!

_T. Mayleen :)

The biggest advantage of air travel is saving time.

>>> The biggest advantage of travelling by air is that it saves time.
It reduces time to move between places and spends more time on sightseeing.

>>> It reduces time to move from one place to another and you can spend more time on sightseeing.
However, the disadvantage is that the air fare is expensive and the procedure is complicated and there is a danger of terrorism.

>>> However, the disadvantage is that airfare is expensive and it could be dangerous for some reasons such as terrorism.