7. b and 8. c i attached the photo for u to see how i did it
Answer:
Each ion or charged molecule in a fluid contributes to the fluid's overall electric charge. A difference in charge between two regions of fluid can affect the rate and direction of diffusion between them. For example, positively charged substances will tend to diffuse toward a region with an overall negative charge.
Explanation:
Melting ice caps and glaciers
I hope this helps the answer is A