Boiling water is a physical change, because it is changing state of matter, there is a controllable temperature change, and you can change it back.
Frying the egg white is a chemical change, because there is a change of matter, controllable temperature change, but you CAN'T change it back.
Answer:A
Explanation:becuse they waste less heat energy
Answer:
In every sequence even numbers are added in order.
3, 5, 9, 15, 23, 33
You should clean up after every investigation because if you leave a mess, maybe another detective will come in and get lost because of the mess you left.
Answer:
none of them are equal to one mole
