what are the scientist doing incorrectly? what could they do to make their work in the lab safer? why is it important to follow these procedures? part d

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.

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.

Following these procedures is important to avoid chemical or biological contamination of both the environment and people.

ability to bond woth oxygen

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying