Acceptable answers could be A because if it's on the side people will feel less tempted to eat it and will eat less. C techinally could be correct but i don't think it's the answer.
Answer:
The answer is cooperation
thank you
Answer: In 1858, Pasteur filtered air through a gun-cotton filter and, upon microscopic examination of the cotton, found it full of microorganisms.
I hope this helped!
