Answer:
I think it is B: an arc
Explanation:
Hope this helps. Mark as brainiest
0.05 mg / gallon
mass of chemecila coming in per minute = 50*10 = 500 mg/min
at a time t min , M = mass of chemical = 500*t mg
conecntartion of chemecal = 500t/10000 = 0.05 mg / gallon
I have added the answer as a pic due to difficulties pasting the text here.
the order higher is 3p79g5t88=yv5379
