This is a hard question because BEING BOLD cant be light ya know... but the light bulb.. thomas edison and joseph swan
Answer: Replacement means a person or thing that takes the place of another; a substitute.
<span>The answer is 4. Molecular formulas express how many atoms of every element are in a compound, and empirical formulas express the reduced share of elements in a compound. If a compound's molecular formula cannot be made lower any longer, then the empirical formula is the similar as the molecular formula.</span>
Because more than one substance was released (following a color change signifying a chemical reaction), the sample was indeed, a compound.