Answer: oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus
Explanation: made up of six elements
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>
A healthy activity enchaging is biking to school