Question

Water quality tests from a local river show low levels of a single heavy metal. The level of heavy metal in the water is under the acceptable legal limit and does not affect the local population's drinking water. The residents of the next town, down river from the first town, are suffering from numerous stomach ailments and are showing signs of long-term kidney damage. Water quality tests in the river by the second town show two types of heavy metals in the water. One of the metals is the same as the metal in the first town. What can scientists infer about the possible reason for the illnesses in the second town? More metals cause acute effects but not chronic effects. The first metal causes an acute effect compared to the other. The heavy metals have a synergistic relationship when combined. The heavy metals have an antagonistic relationship when combined.

Answer 1

The possible inference from the observation is that the heavy metals have synergistic relationship when combined.

Clearly, we can see from the question that there are two kinds of heavy metals in the water from the second town. We can also see that one of the heavy metals is exactly the same metal in the first town.

However, we were not told toxicity and properties of the second heavy metal found in this second town. It is possible that the interaction of the of the first less toxic metal with this second heavy metal led to the illnesses in the second town. Hence the first and second metals created a situation of higher toxicity when combined together.

Therefore, we may conclude that the heavy metals have a synergistic relationship when combined.

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Answer 2

Answer:

he got it right

Explanation:

yup