Answer:
3) The package arrived <u><em>while you were sleeping. </em></u>(Adverbial Clause)
4) Antonio read the newspaper <u><em>that Ishu bought</em></u> (Adjectival Clause)
5) The crowd became quiet <u><em>when he raised his hands.</em></u> (Adverbial Clause)
6) The squirrel <u><em>that bit her</em></u> didn’t have rabies. (Adjectival Clause)
7) Take the newspaper<u><em> when you leave.</em></u> (Adverbial Clause)
8) This engine operates more efficiently than the one <u><em>that I bought last week.</em></u> (Adjectival Clause)
9) The students all studied the material <u><em>so that they would pass the course. </em></u>(Adverbial Clause)
<u><em>Clauses:</em></u>
=> Adverbial Clauses usually start with so,when, while , where etc.
=> Adjectival clauses start with that, which etc.
There are a lot of mammals that walk around the planet every day.<span />
I think it could be B but I could be wrong
