The scientist will add up the mass of the protons and mass
of the neutrons to come up with the approximate mass of atom because protons
and neutrons is what consist of the atoms. Therefore, in order to have the approximate
mass of an atom, adding the mass of protons and neutrons will give the result.
Penicillin was an accidental discovery I believe
Answer:
The correct answer is - d. Jurassic.
Explanation:
