What is the function of a participle?

question 2 options:

a)
act as a noun

b)
act as a preposition

c)
act as an adjective

d)
act as an adverb

Yes or no? biology is the study of rocks and minerals.

"as one of our outstanding historical figures once said, ‘when a great democracy is destroyed, it will not be because of enemies from without but rather because of enemies from within.’" (paragraph 7) how does this quote reveal mccarthy’s point of view and advance the purpose of his speech?

What is the best prediction of the meaning of thrilling based on the context clues?