2.

Speaking is difficult for the deaf because they cannot hear their own voices.

3.

No. Sign language are made with signs instead of words.

4.

Sign language is expressed by combining the movements of the hand, face, body to form sentences.

5.

Special hand signs.

6.

Yes. Most contries have their own variety of sign language.

1.

Deaf people can communicate with each other through lipreading.

1, They can communicate with others through special ways of communicating such as lipreading and sign language
2, Because the deaf cannot hear their voice

3, No, it isn't

4, Sign language is expressed by forming the signs with movements of hands, face and body, each sign has a different meaning and can be formed with movements.

5, Yes, it does