I can't really answer question 3 or 5 due to not seeing the passage or the picture to said passage, but I can answer question 4 for you. I would say the answer to 4 would be a.
Answer: here’s the answer, kind of a hint actually
Explanation: When two or more singular nouns or pronouns are connected by or or nor, use a singular verb. ... When a compound subject contains both a singular and a plural noun or pronoun joined by or or nor, the verb should agree with the part of the subject that is nearer the verb.
Answer:
D
Explanation:
I says the answer for you as well but i know because the question asked Fungi, needing organic matter on which to grow, are rarely found in caverns.
So it is D