Answer:
What the scientist is doing incorrectly is disposing of a chemical or biological waste in the common sewer.
Explanation:
One of the most important biosecurity measures is the proper disposal of chemical and biological waste. What the shown scientist is doing incorrectly is disposing of potentially harmful substances in a normal sewer.
<h3>What could he do to make their work in the lab safer?
</h3>
The main thing that must be done to maintain a safe laboratory is to perform proper disposal of chemical or biological waste, which must be placed in airtight containers and transported to a location for safe disposal.
- <em>Chemical waste is usually taken to a landfill where it can be neutralized.
</em>
- <em>Biological waste is transported to incinerators for complete disposal.
</em>
<h3>Why is it important to follow these procedures?
</h3>
Following these procedures is important to avoid chemical or biological contamination of both the environment and people.