Answer:
Orator
Explanation:
the or/er suffix form a noun, usually as the doer of a specific action.
Answer:
The key concept for our discussion here is that the accelerating expansion of the universe is an innate property of spacetime itself on scales where spacetime no longer acts like traditional gravity. In summary, the influence of gravity only extends to the edge of each gravity group. Beyond that, spacetime no longer behaves like gravity.
Explanation:
