Problem: 
Q: Q: A form of carbon in which carbon atoms are arranged in a hollow sphere is known as?   A:
Answer: fullerene
Problem: 
Q: Q: Where do skeletal muscles usually attach?   A:
Answer: end of bones
Problem: 
Q: Q: What is the part of a plant whose primary role is to collect sunlight and make food by photosynthesis?   A:
Answer:
leaves