Problem:OPTIONS:
- the macula
- the iris
- the cornea
- the pupil

Q: What is the opening in the front of the eye? A:
****
A: the pupil

Q: Diseases of this system include epilepsy, strokes, and alzheimer's disease A:
OPTIONS:
- infectious system
- circulatory system
- endocrine system
- nervous system
nervous system

Q: Which carbohydrate is produced by photosynthesis? A:
OPTIONS:
- protein
- insulin
- sugar
- glucose

Answer: glucose

Question: Q: What term describes the ability of matter to combine chemically with other substances? A:
OPTIONS:
- oxidation
- Diffusion
- permeability
- reactivity
Answer: reactivity

input with options: Q: Catabolic reactions involve breaking what? A:
OPTIONS:
- molecules
- levels
- metals
- bonds
output: bonds

Problem: OPTIONS:
- sulphur
- oxygen
- neon
- carbon dioxide
Q: Q: Emissions of what gas into the atmosphere from fossil fuel burning have been rising for the past several decades? A:
Answer:
carbon dioxide