Which of the following is a true statement of diffusion? a.) diffusion is only important for animal cells. b.)diffusion require energy input from the cell. c.) only water can diffuse across a cell membrane d.) molecules move from areas of high concentration to areas of low concentration.

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

a plastic spoon that has a temperature of 78° f is placed into a bowl of soup that has a temperature of 84° f. which of these correctly describes what will happen?

energy as heat moves from the soup to the spoon.