Just multiple 19.3 by 15 because cm^3 will cancel outand you are left with g with represents mass
<span>Oxygen-16 atomic number is 8 so it has 8 protons. Its atomic weight is 16 so 16-8 = 8 neutrons.
Hope I helped. :) </span>
Answer:
I can't answer that Po sorry
An A horizon is a mineral horizon, It forms at the surface as topsoil. O horizon turns eventually into topsoil
Keep trying you will get if you keep trying ok
