The discovery of hydrothermal vents changed all that. Vast communities of animals grew big and fast in the depths! Instead of using light to create organic material to live and grow (photosynthesis), microorganisms at the bottom of the food chain at vents used chemicals such as hydrogen sulfide (chemosynthesis).
Is this just a random question or is there any information given to us about his parents? if not, C would be your answer
Carbon dioxide is what humans exhale, giving trees carbon dioxide will produce oxygen
