The best answer would be B.
high sodium foods definitely cause edema. But alcohol also has a relationship with edema. Still best answer is b.
To safeguard against ground water contamination, sanitary landfills are lined with plastic and clay. Ground water is the water beneath Earth's surface in soil pore spaces and in the fractures of rock formations.Water that falls as precipitation flows along the surface of the ground. This surface water infiltrates into the ground surface and is held in soil pore spaces and in the fractures of rock formations. To gain access to this water sources it requires digging or drilling the ground and into an aquifer.
Metal contain free electrons which makes it easier to transfer energy through the solid (conduction). Non-metals are poor conductors (insulators) because they do not contain free electrons.
Hope this helps!
-Payshence
