Question

What is one important step to complete before starting a laboratory experiment?

O Clean up the materials that were used.
Discard chemicals in the proper waste bin.
O Ask the teacher if you are confused about the laboratory procedure.
Change into contact lenses to protect your glasses,

Answer 1

ask the teacher

Step-by-step explanation:

because he needs help so he has to task the teacher.

Answer 2

Ask the teacher

Step-by-step explanation:

Ask if you have to clean up or if you are not prepared for an experiment