I think A dont count me on that
Answer:
(option B)
performing the test for 1 hour
Explanation:
edgenuity 2020
THE main cause of water pollution are fertilizers and nutrient pollution<span>. Some of the pollutants that are most prevalent in the manure, sewage and chemical fertilizers are Nitrates and phosphates. These pollutants run into the streams and rivers causing excessive growth in aquatic plants and algae leading to clogged waterways and dead zones.
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Narcotic affect the brain Because of how opiates affect the brain, when someone takes these drugs they attach to the body's many opioid receptors
