The sequence of the answer in blanks are : All, directly, inversely, directly, acceleration, gravity, larger, towards.
Explanation:
According to newtons universal law, every object present in the universe attracts with other one.
This force of attraction depends upon the product of masses directly, and square of distance of their centers inversely.
This is the reason for every object on the surface of earth to be attracted towards the center because earth is bigger and possess the higher pulling force.