Tih. 3. Now that we have determined the source of the infection, we need to determine the causative
agent. We have narrowed it down to 3 possible agents of disease. What were they and why did
we rule out the others?

Which of the following options describes photosynthesis correctly? question 8 options: a plant uses carbon dioxide and water to make oxygen and nitrogen a plant breaks down sugar to make carbon dioxide. a plant uses sunlight, carbon dioxide, and water to make sugar and oxygen. a plant uses sunlight to break down sugars for digestion into water and oxygen.