Is a desk being pushed by a student
a) Frictional force
b) gravitational force
c) Applied force
d) air resistance force
e) normal force

Liquid water turns into water vapor at which step in the water cycle

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

During binary fission, what events must occur before the cell splits into two new cells?