This is the molecule in cells that forms part of the protein. A. rRNA
B. mRNA
C .tRNA
D. DNA

Aphysical change is a change in the size, shape,, or stafe of matter true or false

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

In which of the following is positive work done by a person on a suitcase