My best guess would be c because b makes no since we as humans do not have photosynthesis and are considered living organisims, d is also wrong because the brain requires oxygen, and its not a because the brain is made of cells.
<span>It is produced in the stomach and is one of the main digestive enzymes in the digestive systems of humans and many other animals, where it helps digest the proteins in food.</span>
They live about 2 weeks to 3 weeks I think and they probably would die in 4 days.
Answer:
weak, but stronger than the gravitational force
Explanation:
