In the planetary model, electrons . do not exist
are shown in a cloud
have positive charges
orbit the nucleus like the planets orbit the sun

Karen is a forensic scientist whose purpose is to identify and evaluate physical evidence. which of the following tasks does she perform? a. reporting results of scientific analysis b. interviewing suspects c. questioning witnesses d. preparing victims for burial

Which of the following describes what can happen to an enzyme as temperature rises

If t=tall and t=short what is the likelihood that the offspring will be tall? a.0% b.25% c.50% d.75%