Regard the principle of utilization of two gas.
Make a consistent control of hardware containing gas.
Make a consistent control of weight diminishing valves giving gas.
No smoking zone.
Unless you are talking about one specific theory, the answer is pseudoscience.
Because the sublevels 1s only has one shape ,and it only contains 2 elections...
Answer:
01) Cu tting hair is a physical change. reason-1
02) Cooking can be either one, but I would choose chemical reason-3
03) Ice cream melting is a physical change reason-2
Explanation:
D. F
Molecules are a group of bonded atoms but Fluorine stands on its own
