Don't need any explanation. just answer true or false please

1)Hearing and listening are different processes.

True or False

2)Feedback refers to anything internal or external that obstucts the communication of a message.

True or False

3)Extemporaneous delivery requires careful preparation.

True or False

4)The central idea indicates precisely what the speaker hopes to accomplish in a speech.

True or False

5)Egocentrism is the tendency to be concerned with our own values, beliefs and well-being.

True or False

6)When undertaking research in a library, academic databases are the best resource to find scholarly journal articles.

True or False

7)Statistics should never be rounded off when presenting them in a speech.

True or False

8)An internal preview is a statement in the body of the speech that summarizes the preceding point(s).

True or False

9)One function of a speech conclusion is to gain the audience's attention and interest.

True or False