CAU-CGC and more is the answer
It is the last one that says, it can produce seeds all year around that can grow in dry and wet conditions.
Not for long. We use oxygen for cellular respiration and plants make oxygen so if all the plants died, we would only have so long to live
If the ocean temperature is really hot, it can kill certain marine organisms.
T(°F) = T(°C) × 1.8 + 32
Therefore, the answer is 98.6 degrees Fahrenheit