i already got Principles of General Chemistry by Silberberg 1st edition. but now my class need teh 2nd. do i really i have to buy the 2nd edition? i also have the code online thing came with the 1st edition also. so help me out here
is UC Davis a good school for physics major? i live 30min away from it. i dont want to move far away. one more question, wat is the average gpa point for physics major to go UC Davis? thx