Answer:
Primarily, the specific notes talking about similarities and differences.
Explanation:
The topic sentence points out the the text will talk about 'alike'nesses and 'differences,' both of which are common in compare and contrast. This is further hammered home by the text which, well, compares and contrasts. If a text mentions similarities and differences, its likely in a compare and contrast structure.
Answer:
to set off a word or phrase after an independent clause or a parenthetical remark
in other words its like a comma, it separates words/phrases
Example: The house rule is simple - clean up after yourself.
The correct answer is SECTION 3