Examples of hot environments ·soi| surface in midsummer sun:50°C compost piles: 65C hot springs: boiling point of water ocean floor hydrothermal vents 3500C · hot water heatersExamples of Hot Environments • soil surface in midsummer sun: 50oC • compost piles: 65oC • hot springs: boiling point of water • ocean floor hydrothermal vents: 350oC • hot water heaters