When sunlight strikes a plant, the leaves capture most of that energy to use for photosynthesis. The image below shows the process of photosynthesis in action. Which of these materials helps plants use energy from sunlight?

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Which description provides the best objective summary of the article in the passage?