Please if anyone could help with these. I would be really grateful. Please give the right answers.

A(n) __ clause should always be separated from the rest of the sentence by commas

Hhhhhhhhhheeeeeeeeeeeeeeeeeeeeelllllllllllllllpppppppppppp me

Avenn diagram would be best to take notes on which of the following informational passages? a).pet ownership improves life. b).active reading improves test scores. c).will weights or walking keep you fit? d).the day before mount ruapehu erupted.