Answer:
B
Explanation:
physical changes do not change the chemical or molecular make up if a substance
Answer:
meat, bread crust, cheese
Explanation:
that is all
the atomic number determines the tyoe of element an atom is.
the atomic number means the number of protons in an atom.
atoms of different elements have different numbers of protons and different atomic numbers so you can identify the element based on the atomic number
<span>The righ answer is the option A. They are made up of two or more pure substances that are not chemically bonded. A classicall expample ot heterogeneous mixtures are sugar and salt. Sugar is a pure substance, salt is also a pure substance, when you mixe them you form mixture where salt is still salt and sugar is still sugar, that is what "they are not chemically bonded" means. So you can separate them by physical media. </span>
The one after metamorphic rock is melting.