Answer:
2
Explanation:
Thermal, chemical and electromagnetic is the right answer
Answer:
A temporary magnet allows the user to determine when it is magnetic.
Answer:
Colors are seen by burning of metal salts, for example Sodium chloride makes yellow frame.
It is very common for fireworks to contain Aluminum, Iron, Steal, Zinc or the Magnesium’s dust to create bright light.
Answer:
Atoms start out with the same number of negative charges (electrons), and positive charges (protons). ... Conversely, adding electrons to an atom would result in a negative ion. If you do this enough times, you can make an object positive or negative. Friction is one of the ways to separate charge.
Explanation:
Answer:
A open system
I think plz tell me if i'm wrong
Explanation:
