The answer is the first one because it doesn't create gases and, the third one doesn't even make any sense so its definitely not that one
Answer:
I believe this would be The Scientific Method
Explanation:
Answer: ok...
Explanation:
The continual input of energy, mostly from sunlight, sustains the process of life. Sunlight allows plants, algae and cyanobacteria to use photosynthesis to convert carbon dioxide and water into organic compounds like carbohydrates. This process is the fundamental source of organic material in the biosphere.