minus – adj. having a value that is below zero

blanket – n. a covering made of cloth that is used especially on a bed to keep you warm

recycling – adj. having to do with the processing of paper, glass, cans, etc. in order to regain or reuse materials

society – n. people in general thought of as living together in organized communities with shared laws, traditions, and values

noble – adj. having, showing, or coming from personal qualities that people admire such as honesty, generosity, courage, etc.