input: OPTIONS:
- vertebrae
- spinal cord
- mesoderm
- notochord Now, answer this question: Q: What rod provides stiffness to counterbalance the pull of muscles? A:
A:
output: notochord

Q: What are the dark areas that appear on the sun called? A:

OPTIONS:
- coronas
- anomalies
- coreolis effect
- sunspots

Answer: sunspots

Problem: OPTIONS:
- carbohydrates
- supplements
- Drugs
- vitamins
Q: Q: What are important coenzymes or precursors of coenzymes, and are required for enzymes to function properly? A:
Answer: vitamins

Problem:OPTIONS:
- liver
- heart
- kidney
- brain

Q: Fatal swelling of what organ can result from both encephalitis and meningitis, which typically cause a severe headache and a fever? A:
****
A: brain

Q: Which region is just posterior to the mouth? A:
OPTIONS:
- the esophagus
- the duodenum
- the diaphragm
- the pharynx
the pharynx

Q: What is another term for hydraulic fracturing? A:
OPTIONS:
- erupting
- permeating
- drilling
- fracking

Answer:
fracking