Question

Differentiate between first class mail and second class mail

Answer 1

First class mail 
1. It is airlifted between stations covering both land and air.
2. It includes cars and envelopes.
3. They are personal means of communication.

Second class mail
1. They are carried by surface mail , covering land and water transport.
2. They includes book packets , registered newspapers and periodicals.
3. They are means of mass communication. 

Answer 2

Explanation:

first class

• class mail and our artlifted between stations covering both land and air.

•cards and envelopes are considered.

•they are personal means of communication.

second class

• includes book packets registered newspapers and periodicals.

•they are carried by surface male covering land and water transport.

•they are means of mass communication.