Explanation:
the best way to understand the age of the earth is to estimate the age of matirials in it
Chemical properties is when a material undergoes a chemical change or reaction like a nail rusting and a physical change can be observed without changing the material like temperature, color, texture, odor,etc.
Energy can not be created and cannot be destroyed
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Answer:
The charge of an atom is the number of protons minus the number of electrons.
Answer: Yes it is. Rust would be considered a chemical reaction because it changes the chemical makeup of the metal.
Explanation:
