The Phlogiston theory was accepted until the 18th century, when Lavoisier proved that combustion requires a gas that has mass. Phlogiston is considered A) to be scientific knowledge B) not to be scientific knowledge C) to be proven by scientific method D) to be accepted in the modern scientific community

not to be scientific knowledge

Explanation:

i took the usa test prep

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.