Read the following sentence from the passage. Animals would not be able to breathe if it was not for this process. How does this
sentence help to develop the idea that photosynthesis is essential to animal life? A. It shows that animals depend on this process for food. B. It shows that animals depend on this process for oxygen. C. It suggests that photosynthesis takes place in the lungs. D. It suggests that photosynthesis occurs in all animals.
B. It shows that animals depend on this process for oxygen.
Explanation:
Photosynthesis is the process by which plants use sunlight to make food from carbon dioxide and water which are given off by animals. The reaction of photosynthesis causes oxygen gas to be released, which is vital for animals as they cannot breathe without it.
