Answer the following question: You are presented with the quiz "What cannot sustain life?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if a planet becomes too hot then that planet cannot sustain life" and "venus is the hottest planet". So, what's the best answer to the question?

pick from the following. 1). deserts; 2). viruses; 3). coal; 4). Earth; 5). oceans; 6). dead; 7). Venus; 8). A virus;
Answer:
7).