breathing mask safety goggles rubber gloves lead smock
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A student conducts an investigation using mold spores. In one part of the investigation, he needs to closely examine a spore sample. Which piece of equipment does the student need to use to keep mold spores from entering his respiratory system?
Possibilities:
- breathing mask
- safety goggles
- rubber gloves
- lead smock

breathing mask