Which property of a cell's plasma membrane makes it semipermeable? A) The phosphate groups are polar and attract other molecules. B) The cell can replace unsaturated fats in the membrane with saturated ones. C) The cell can change the flexibility of its membrane. D) Molecules of the membrane can flow past one another.

i think that the best answer would be c.

tell me if im wrong : )

b

explanation:

the answer is d. exposing corruption in the church

explanation:

the universal gravitation equation. since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. if the mass of one of the objects is doubled, then the force of gravity between them is doubled.