Answer the following question: Answer the following question given this paragraph: Every split second that sunlight hits that leaf, photosynthesis is initiated, bringing energy into the ecosystem. It could be said that this is one of the most important - if not the absolutely most important - biochemical reactions. And it all starts with the leaf. Q: Photosynthesis is initiated by what hitting plants? Choices: - dirt - air - moisture - sunlight A:
Answer:
sunlight