How do the unwritten rules for consumer behavior differ between returning a broken DVD to the local department store by yourself or with a friend?

relationship between pressure and air volume and led to the understanding of how respiration works; i believe this is the correct answer ; /// good luck

my hamster died and my second hamster i got after that one died as well. i also lost two birds named rainbow and kiwi, (they didn't die, they flew off and escaped). i lost a cat named omi, and a dog named snoopie. the best way i got over it is, paying my respects, and just thinking that they were in a happy place. as well as just remembering but not thinking about it all the time, just do fun activities and try not to think about it too much. hope you feel better. i'm sorry about your loss. : (

the answer is a