Aword that means "the study of solar heat" from word parts

Which word is the comparative form? hyper best less most fruitful

Me ! select the correct answer. which sentence is an oxymoron? a. to have peace, we must go to war. b. a glass can be viewed as either half full or half empty. c. the lawyer was deceptively honest with his clients. d. spies do not dress like spies. e. though the lab was messy, there was a method to his madness.

In the excerpt from the emancipation proclamation, which phrase or sentence supports the claim that president lincoln did not want the slaves to take up arms against their former masters?