C. <span>She is thinking about her pig rather than the lesson. Hope I helped! Have a fantastic Friday!</span>
Creed, credo, dogma, belief, conviction, canon, principle, notion, idea, theory, thesis.
I think that the masks him and his friends wear symbolize, B. Avoidance
I hope this helps!
Answer:
The river is very clean.
Explanation:
It indicates that the river is very clean since if you have fish and other invertebrates, you have to have some algae and water plants. If the river is dirty, little plants will grow and there won't be many fish and other invertebrates.