19. what important cellular process uses water
molecules, carbon dioxide, and sunlight energy to
produce glucose?

photosynthesis

Explanation:

carbon dioxide+water+sunlight =glucose + oxygen

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.