input with options: Q: Organic compounds are defined as covalently bonded compounds containing carbon, excluding carbonates and what else? A:
OPTIONS:
- gases
- crystals
- acids
- oxides
output: oxides

Q: Q: John dalton thought that what unit, which means "indivisible", could not be divided into smaller, simpler particles? A:

OPTIONS:
- electron
- nucleus
- neutron
- atom

A: atom

input: OPTIONS:
- nucleus
- cell
- DNA
- atom Now, answer this question: Q: Thomson's plum pudding model shows the structure of what? A:
A:
output: atom

Q: What is the term for a mutually beneficial relationship in which one organism lives inside the other? A:

OPTIONS:
- parasite
- symbiosis
- parthenogenesis
- endosymbiosis

Answer: endosymbiosis

Problem: OPTIONS:
- salinity model
- reactivity model
- particle model
- hybridization model
Q: Q: Which model helps explain molecules with double or triple bonds? A:
Answer: hybridization model

Q: Which veins return oxygen-rich blood from the lungs to the heart? A:

OPTIONS:
- jugular
- varicose
- respiratory
- pulmonary

Answer:
pulmonary