When Sue comes home from work she gets changed and takes off her makeup. She is not concerned with her appearance as she is not going out for the rest of the night. Sue is in her stage when she comes home from work

Backstage

Explanation:

Backstage is a behavior, which can be related with the actions of the performer that occurs at the back but audience cannot visualized and realized it.

When Sue goes to work, she has to present herself in front of the audience, so she needs to put up a makeup. But at home she knows that no one would be concerned about her appearance thus her home is like a backstage of her life. Thus she does not care about her looks at home.  

answer; /// the answer to the first question is (b) it began when people first deliberately seeds; /// and (d); // it gave people a steady food supple for the first time;

the telephone is the answer