It takes 100,000 years for a plate to move about 2 kilometers. what's the rate of motion in centimeters per year? ?

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Which statement best describes the role of religion and culture in ancient medicine?

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different