Answer:
A typical nuclear reaction involves two reacting particles—a heavy target nucleus and a light bombarding particle—and produces two new particles—a heavier product nucleus and a lighter ejected particle.
Explanation:
I believe this is correct
That's correct, did you need help on anything?
Hmm due to some thinking and having some knowledge of the body. I believe the crani refers to the skull. Crani could be considered short for cranium which refers to the skull. I hope that this helps!