It’s answer C because of eutrophication
you see katie helped sandra with homework, which helped sandra not fail. Because katie did not let sandra fail, sandra can graudate and get a job. She can also thank katie for not letting sandra fail and go homeless.
sandra helped katie rollerblade. which has no significant impact. Who cares about rollerblading.
your answer is C
Answer:
Animals only is the correct answer
Explanation:
Hope this helps you
Crown me as brainliest:)
