The answer is letter B. because he is interested in designing machines that help people with disabilities. Becoming a biomedical engineer is one of his choice and probably he was inspired by people with disabilities because of his passion in writing also. In order for him to help these people, he decided to become a biomedical engineer to create technologies to lessen the burden of these people.
The worm is the decomposer. Decomposers break down dead matter and gives room for new life to thrive.
Mucous cells is what I think is the answer. hope it helps ;)
You would need to upload a picture of the graph to get help
