Au is the symbol for gold. It comes from Latin word for gold, which is Aurunum. Its atomic number is 79.
Answer:
300kg
Explanation: The question says about 30%, so I think it is 300kg
Answer: A
Explanation: Beta particles have a charge of -1
C.
Water is polar because one side of the molecule is positive and the other is negative.
To protect the patents of those they work . Patents are legal rights of ownership to something that you have made or created.
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