Answer:
the correct answer is option ( B ) rocks cannot change their volume ,shape, and size
because a solid substance cannot change its, volume, shape and size
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The empirical formula of this compound is 
<h3>Empirical formula </h3>
To calculate the empirical formula of a compound, the value of moles of each element is needed.
As we have the information of the mass value, we will use the molar mass expression, which corresponds to:





As the value of the empirical formula must be an integer, simply multiply the two values by a common factor:


So, the empirical formula of this compound is
.
Learn more about empirical formula: brainly.com/question/1247523
Answer: it’s a I believe
Explanation: protons are smaller then atoms which means they have less mass
No one can do that by him or her self