Answer:
D. Burning a peice of wood
Explanation:
Because when you burn wood a chemical reaction happenes between the flames and the wood making the wood into ashes.
Hope this helps you :)
The right answer is D - mass.
Explanation:
No of molecules=0.500×6.023×10²³=3.011×10²³ molecules
<span> elevation between index contours would be </span><span>125 feet</span>
