Q: You are presented with the quiz "What happens when microorganisms get on food?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "microorganisms cause food to spoil" and "food is often moldy or spoiled ". So, what's the best answer to the question?

1). It tastes better. 2). Animal survival. 3). Dehydration. 4). hydrate their cells. 5). Nothing, it's normal. 6). It gets moldy. 7). hyperthyroidism. 8). The food is safe to eat.
A:
6).