In which situation will the friction between an object and the surface on which
it is moving be increased?
(1 point)
a. the object is pushed over a longer distance.
b. the weight of the moving object is decreased.
c. the object is pushed with greater force against the surface.
d. the surface on which the object is moving is made smoother.

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.