Answer:
Because some people think human cloning is upsetting because it is dangerous and so is the development of the nuclear weapons the world changed when they created the weapons.
Explanation:
I believe the answer is C. The nearer you grow to the new ocean ridge to younger the crust gets, and the overlying sediment grows thin. The crust is younger because of the rising and cooling mantle creating new crust.
It D hope that helps Have a good day
