The picture shows a student working in the lab.

DONOT JUST GUESS!
SAY WHAT THEY ARE AS WELL!

The picture shows a student working in the lab.


How many laboratory safety violations are shown in the picture?

one
two
three
four

The picture shows a student working in the lab DONOT JUST GUESS SAY WHAT THEY ARE AS WELL The picture shows a student working in the lab How many laboratory saf class=