I would say that not is an empty word. Technically, it is an adverb, but since that isn't an option, then only empty word could be the correct answer.
C) older, older. The younger the layers, the least likely you are to find any fossils; since fossils are very old, you would expect to find them in older layers.
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If I was principle of one school day and could create or get rid of any rule, it would be dress code. Dress code is something that needs to be taken away. Kids should have the option to wear what they please. Its not fair that they have to be told what to wear. One rule I would create is treat others how you want to be treated. Including the teachers.. They shouldn't get to tell you what to do all the time, if they treat you like trash do the same to them!!!
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