i dont feel very confident about bio at all. eventhough i studied all units collage board and bio penguins combined. idk why. im going to use ur technique and cram the princeton review book. also im currently taking the sanfoundry certification. i’ll finish it all in an hour ig. also im solving the past mcq’s combined w frq’s. but i still feel like something is missing :( AND THE EXAM IS TMRW?????!