Vitamins such as vitamin b and vitamin c are often lost by boiling vegetables. why? vitamins such as vitamin b and vitamin c are often lost by boiling vegetables. why? the heat of the boiling water destroys the vitamin. they are fat-soluble compounds and vegetables do not have much fat. they are water soluble and are poured down the drain with the water. the heat of the boiling water causes the vitamin to evaporate.

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:

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.