Answer:
It is always important to turn off the hot plate because objects around it can catch on fire, things could explode if something is left on it, or someone could get injured.
Yes, you can tell if the water is boiling or if there is steam in the beaker/condensation.
Hope that helps and have a great day!
Hippocampal neurogenesis<span> is impacted by environmental factors such as age, excercise, stress and anti-depressant use.</span>
I believe it's E. all of the above.
Number D.six is the answer.
