A molecule is two or more atoms bonded together chemically. An atom is the most basic unit of matter. When atoms are chemically bonded together with covalent bonds, molecules are formed. Molecules can be very small like water molecules or extremely large like proteins such as hemoglobin.
Answer:
By working at a job and saving money .
Explanation:
Perform low-impact aerobic exercises, like walking and swimming, to improve your overall health and reduce pressure on your joints.
Answer:
I think is C because if use clean instruments you avoid infections.