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!
Answer:
the process of cellular respiration
Explanation:
oxygen releases heat energy and carbon dioxide
Answer:
"The Skeletal system has three very important jobs: Support, protection, and movement. Just think, if we did not have a skeletal system for support we would be just like a blob of Jell-O. The bones also protect many organs, and also the brain."
Explanation:
