Xander lit his bunsen burner. he then reached over the burner to get his chemicals. he performed the lab, but at the end, he dropped a test tube on the ground. he immediately told his teacher, who cleaned it up so he could finish the lab. once finished, he then cleaned up his area.
which best describes his error?
he should not reach over an open flame.
he should clean up the glass before telling the teacher.
he should stop the lab completely after the accident.
he should leave the area as is for the next student.