Answer:
Salt is commonly used in the cold climatic regions, where the snow accumulation blocks the roads. These salts are then helpful in melting the snow and clear the road for transportation. The use of this salt has a direct impact on the plants that are located adjacent to the roads. These salt particles when mixes with the soil, the solute concentrations present in the soil decreases the growing potential of the plant by decreasing the amount of water that the plant can hold. This also results in excessive loss of water. Thus, the plants in this region appears to wilt during the spring season.
the answer is b recycling newspapers
The concentration of oxygen must be lower in the blood since diffusion is a form of passive transport, which goes down the concentration gradient (high to low.) Hope this helps! :)