NEED IT ASAP 1) Plants need water forin order to make food. water is needed more for , to maintain body temperature and transport nutrients.​

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

Compare and contrast physical changes with chemical changes.

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?