3644000 rounded to 2 significant figures is equivalent to 3.6
Answer:
do you still need this answer?
Explanation:
This question is hard but I found the answer from merit nation
The correct answer is (a) wave the fumes toward your nose with your hand. If you smell the chemicals directly, it could be harmful too your health, especially if they are strong. Also remember to <em>never </em>smell chemicals unless you are being told to do so.
Liquid water turning into vapor.
