PLZZZ HELP IM NOT GOOD WITH MY ENGLISH CLASS WILL GIVE RAINLIEST IF CORRECT!!! THE STUFF IN PARATHESIES IS THE UNDERLINED STUFF IN THE QUESTION

Classify the underlined part of the following sentence by the type of phrase or clause it is.

Obsidian, (which was used by early man to make arrowheads), is a naturally occurring glass.
A.
essential adverb clause
B.
nonessential adjective clause
C.
nonessential adverb phrase
D.
essential adjective phrase

What does the word "weazen" mean. ♡

What does the duke reveal about himself to the reader as he speaks in “my last duchess” by robert browning? that he is a believer in romantic love that he is a calculating villain that he is a trustworthy husband that he is a sophisticated man worthy of respect

We will be learning about animals that live in the arctic. your assignment is to find information about one animal in the arctic. be sure that you find the following information about the animal: average height and weight, appearance, diet, shelter, mating habits, and any other interesting or important facts. we will use the information that you gather in the research with an in-class project. be sure to keep track of your sources; your final project will require a works cited page. in an internet search engine, which group of keywords is most appropriate for this assignment? a) project, arctic, diet b) arctic, animals, facts c) cold, appearance, animals d) average height and weight, one animal