Your answer is A my friend as the atomic number of an atom is determined by the number of protons
The class can break or if you put it in cold water it can cool down down fast.
Answer:
No. No new substance is formed during Physical change.
Answer:
The higher the frequency, the shorter the wavelength
Explanation:
All light waves move through a vacuum at the same speed, the number of wave crests passing by a given point in one second depends on the wavelength.
