If you want a career in biotechnology or healthcare informatics, which of the following credentials might apply?

What does the cell nucleus do or, how does it function?

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false