The answer is all of the above
The author includes all of those answers through their writing
I believe the answer is D because it’s the closest word to sidle
Your answer would be 1/6, 1/5, then 3/5, because the more fractions of something there are, the smaller it gets
A <span> compound-complex </span><span>sentence has at least two independent clauses and at least one dependent clause.
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Obama talks about different professions in the speech, they aren't just limited to science or writing. Also he is not saying that you should take specific classes, but rather you should try and do your best in every class, because you never know which class may provide you with inspiration or the skills you need later in life.