We know that momentum = mass times velocity
So a. 720 kgm/s
We don't know Carter, and we don't know where he is or what
he's doing, so I'm taking a big chance speculating on an answer.
I'm going to say that if Carter is pretty much just standing there,
or, let's say, lying on the ground taking a nap, then the force of
the ground acting on him is precisely exactly equal to his weight.
They can be described as small in quantity and very dangerously radioactive.
Answer:
A place where organic and non organic materials interact to make a living space
