Water and lipids don't mix! Water is al molecule, meaning H2O molecule is like a little Lipids are molecules- the water molecules push them out of the way Lipids are called

the answer is yes, they are born/created, then they grow to their limit then produce offspring, then die.

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.