Which of the following pollutants is a heavy metal?

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Question: Which of the following pollutants is a heavy metal?

Options:

Correct Answer: Lead

Solution:

Lead is a heavy metal that can be toxic to humans and the environment.

Which of the following pollutants is a heavy metal?

Which of the following pollutants is a heavy metal?

Step 1: Understand what a heavy metal is. Heavy metals are metallic elements with high densities that can be toxic at low concentrations.
Step 2: Identify common heavy metals. Examples include lead, mercury, cadmium, and arsenic.
Step 3: Look at the list of pollutants provided in the question. Check if any of them match the examples of heavy metals.
Step 4: Confirm that lead is one of the pollutants listed and is classified as a heavy metal.
Step 5: Conclude that lead is a heavy metal that can be harmful to both humans and the environment.

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