How does having designated uses for bodies of water reduce human impact? A) With designated use, waterways are no longer in danger of being polluted.
B) Designated use allows the use of waterways to be limited to ones that best fit the function of the
waterway
C) By having designated uses for waterways, soil erosion can be completely avoided.
D) All of the above
PLS HELP ASAP

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons