Answer:
Melting is a physical change with no change in temperature of the substance while when the object is set on fire, its temperature changes.
Explanation:
Melting cause physical change in any substance. The temperature of the substance remain same but the physical property changes i.e in melting substance changes its state from solid to liquid.
However, in case of setting a substance on fire the temperature changes along with the state of the substance.
Nitrogen gas consists of a diatomic nitrogen atom. So, the correct answer is B.
Answer:
what is the question i don't understand
Answer:
let the cold water trip from the faucet