The answer is “A”.
Hope it’s help
It is called Newton's Universal Laws of Gravitation.
It would be the last one!!!!!
I don't know the answer but I know what's NOT THE ANSWER
The answer is letter C.
Explanation: Is an employee who, within a service system, is bound by contract to work for a particular employer for a fixed period of time. The employer often allows assigning the work of a contract to a third party.