Q: You are presented with the quiz "What can changes in soil pH do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "changes in the pH of soil can cause plants to die" and "animals and humans eat plants for their nutrients". So, what's the best answer to the question?

Options:
1). Damages them.
2). It decreases.
3). death and devastation.
4). Increase human wealth.
5). Rob humans of nutrients.
6). Cause humans happiness.
7). Destroy crops.
8). Give humans pleasure.
A:
5).