Which statement describes the relationship between the mass of two objects and their gravitational attraction toward each other?
a If the mass of one object increases while the mass of the other object remains the same, then the gravitationa attraction remains the same.
b If the mass of one object increases while the mass of the other object remains the same, then the gravitational attraction increases.
c If the mass of both objects increases by the same amount, then the gravitational attraction decreases.
d If the mass of both objects increases by the same amount, then the gravitational attraction remains the same.