While studying a strain of infectious bacteria, scientists find that a certain chemical stops the bacteria from multiplying. They develop a drug that contains the chemical.
Before releasing the drug for widespread use, which of the following should the scientists do to learn more about how the drug
works?

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.

it should be briana that has it to me

the answer is cell division : )

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%