Why does a buoyant force act on every object in a fluid?

a.) pressure pushing up on the bottom of the object is greater than the pressure pushing down on the top.

b.) the water pressure pushing upward is greater than the force of gravity pulling downward.

c.) forces acting on the top of the object are greater than the other forces acting on the object.

Its

A.)Pressure pushing up on the bottom of the object is greater than the pressure pushing down on the top.

hope i help?

c. rb

explanation:

the atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons.

d) physical means can be used to separate the components of air.