what is the relationship between solar radiation and photosynthesis? which is the cause, which is the effect?

what is the relationship between solar radiation and photosynthesis? which is the cause, which is the effect?
Answer
Brief Explanations:
Solar radiation is the energy source for photosynthesis. Plants use solar radiation (light energy) to convert carbon dioxide and water into glucose and oxygen through photosynthesis. So solar radiation is the cause and photosynthesis is the effect.
Answer:
Solar radiation is the cause and photosynthesis is the effect. Solar radiation provides the energy that drives the process of photosynthesis in plants.