The answer is that the mold melting point must be higher then molten glass, otherwise the mold would melt when molten glass is poured into it .
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Answer:
A and C represent elements while B and D represent Compounds
Explanation:
chemical elements cannot be broken down into simpler substances by any chemical reaction. While A chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds
C.) Ionic bond is formed between that...
For plato users
the answer is a. O2(l) O2(g)
hope this helps!
