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:
2(x+3)+4(5+x)
2x+6+20+4x
6x +80
Explanation:
1.Distribute
2.Add x bc x can't add to normal #'s
3.Add normal #'s
4. Then you get : 6x+80 Bc you can't add these together
Aerobic exercise like running, jogging, swimming and walking because all of these get your heart rate up.
All of the above is the right awnser
