Atomic mass= number of protons + number of neutrons

hope this helps
Answer:
The combining of light nuclei is called nuclear fusion.
Mid ocean ridges
The mountain ranges in the middle of the oceans
Sea floor spreading
The process by which new, oceanic crust forms along a mid ocean ridge and older crust moves away from the ridge. :)
Time should not be messed with
for bad things could happen
so think before you act or you'll regret it