input with options: Q: What is the sac-like organ at the end of the esophagus? A:
OPTIONS:
- rectum
- larynx
- appendix
- stomach
output: stomach

Q: Q: Oxidation does not necessarily require heating. which is the common and natural method of oxidation? A:

OPTIONS:
- boiling
- fermentation
- ageing
- rusting

A: rusting

input: OPTIONS:
- metallic number
- shell number
- orbital number
- atomic number Now, answer this question: Q: The sum of the superscripts in an electron configuration is equal to the number of electrons in that atom, which is in turn equal to what number? A:
A:
output: atomic number

Q: What are the most common causes of brain injuries? A:

OPTIONS:
- excessive shaking
- lightning strikes
- alcohol poisoning
- falls

Answer: falls

Problem: OPTIONS:
- devolution
- systemic evolution
- microevolution
- macroevolution
Q: Q: Speciation, convergent evolution, and coevolution are types of what process? A:
Answer: macroevolution

Q: What are jellyfish and other cnidarian's stingers called? A:

OPTIONS:
- prokaryotes
- necrocytes
- phenocrysts
- nematocysts

Answer:
nematocysts