Conjunctive adverbs connect one clause to another clause, or one idea to another idea:
Joanne was very good at math; however, she is not good at English.
Descriptive adjectives can be separated with commas in a sentence such as:
Joanne did not want to pet the smelly, wet dog.
the answer is Surja becomes jealous because she fears her husband will put her aside to marry the younger woman
You determine if the evidence is relevant and if it directly answers the writing prompt when writing your essay by seeing if any quotes are relevant to the question or explains or possibly gives any background.