Q: Fact 1: If a planet becomes too hot then that planet cannot sustain life. Fact 2: Sustainable, organic agriculture is predicated on such balanced ecosystems. Given the two facts above, if a planet becomes too hot, then it cannot maintain what?

OPTIONS: [i] heated soil; [ii] food and shelter; [iii] warm temperature; [iv] Quality of life; [v] They may not survive.; [vi] Animal survival; [vii] balanced ecosystem; [viii] hot atmosphere;
The answer is:
[vii]