How did the japanese americans attempt to improve living situations at manzanar?
a. they covered openings that once allowed sanden went to enter the rooms
b. they altered army clothing for their own use
c. they started a weekly community karaoke club
d. they created partitions and barriers for privacy

All of these answers apply

1. They covered openings that once allowed sand and wind to enter the rooms.

2. They altered discarded army clothing for their own use.

3. They created partitions and barriers for privacy

greet them:

buenas noches.

that is considered night time which is when "good night" is used.

yes you could be a life guard if that the question.