3. What is one thing that can be done to help improve areas that produce a lot of runoff?

hi, im here to help :3

so, you can either use plants, use pesticides and fertilizers less often or the one thing i know is consider a rain barrel.

they float because they are less dense than the water itself

something denser than water, like a rock, will sink to the bottom

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation: