Rust on a nail is a chemical change.
Ice melting IS a physical change. Ice is made of water, when you melt ice its still water. Just in a different physical state.
Answer:
yes!you are right a cloudy formation will be formed when they will react.its because if nitrogen.
Choose all options that apply. Which of the following are equal to 20%? | a) .25 b) 1/5 Oc) 1/10 d) .20
Answer:
yes, it is increased by atomic mass
Explanation:
Answer:
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