The discovery <span>May, 1911: Rutherford and the Discovery of the Atomic Nucleus. In 1909, </span>Ernest Rutherford's<span> student reported some unexpected results from an experiment Rutherford had assigned him. Rutherford called this news the most incredible event of his life.</span>
I think it’s B. Lifting weights
The vain it defends the bone
I think you should go to a chiropractic or tell somebody or go to the doctor if ur young I suggest telling your parents