The answer is (1) C-14 and C-12. The life on the earth is carbon based. Carbon is important in living organisms. So C-14 and C-12 can be used to date the remains of a once-living organism.
Shape Formula Variables
Cube V=s3 s is the length of the side.
Right Rectangular Prism V=LWH L is the length, W is the width and H is the height.
Prism or Cylinder V=Ah A is the area of the base, h is the height.
<span>2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
I know I got this wrong</span>
Answer:
heat energy
Explanation:
water in the sun begins to get hot