A preposition is <span>a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause, some examples of preposition words are,
-on
-over
-like
-before
In this case, the preposition word in the sentence,</span><span> The birds gracefully flew through the air, is Through </span>
<u>She</u> had been studying to become a lawyer.
Pronouns are the words used in place of noun or noun phrases. Examples include he, she, it, they. They can refer to noun/s that has/have been named previously or in other cases, can be used to refer to nouns that do not need specific mention.
Different classifications of pronouns are relative, reflexive, possessive, demonstrative, interrogative, personal, indefinite, subject, object, reciprocal and intensive.
Example sentences:
Ram is a just man. He played a fair game.
At last he knew that the fault was his.
Are you coming with me or not?
Learn more about pronouns here
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Both winners and losers have motivation and are courageous ; both have attempted something, even if they didn't win. Hope this helps! :)<span />
Answer:
The fire that dragons spew is the result of the chemical reaction between limestone and fluorine.
Explanation:
There is a theory that explains that the fire expelled by dragons is the result of the chemical reaction between limestone and fluorine. This theory states that dragons eat limestone that is stored in their bodies, which already have fluorine naturally. When the dragon feels threatened, or feels that it is in a moment of attacking, it shares these two elements at the same time, which when uniting react to produce fire.