Final answer:
The correct answer is option B: HAND WASHING, as some hazardous materials can be harmful if there is extended contact with the skin.
Step-by-step explanation:
The correct answer is option B: HAND WASHING.
Some hazardous materials may be harmful if there is extended contact with the skin, and it is important to wash hands with soap after handling and disposing of these materials in a lab.
Proper disposal is also crucial for hazardous waste materials, and it is essential to follow your teacher's instructions for the disposal of all items.
It is important to wash hands with soap after handling and disposing of these materials in a lab. Proper disposal is crucial for hazardous waste materials, and following instructions from the teacher is essential.