applying disinfectant to the counters throwing away plant material in the trash washing hands with an antibacterial soap placing hands under an ultraviolet light
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: What procedure should be performed after any handling of a plant sample in a lab?
Possibilities:
- applying disinfectant to the counters
- throwing away plant material in the trash
- washing hands with an antibacterial soap
- placing hands under an ultraviolet light

washing hands with an antibacterial soap