A class is doing a science experiment to investigate the blood types of each of the students. Which label would be on the container in which the students dispose of materials that have leftover blood? chemical waste broken glass hazardous waste trash

Peat deposits are found in waterlogged places where dead plant material piles up. when peat is buried, it undergoes compaction. it is subjected to heat and pressure for a long time, and a lot of water is squeezed out during this process. nearly ten vertical feet of original peat material becomes one vertical foot of coal. which of these remains unchanged in the system during the conversion of peat to coal? a) area b) density c) mass d) volume