input with options: Q: Through which part of the body do most animals take in oxygen? A:
OPTIONS:
- ears
- rectum
- nose
- mouth
output: mouth

Q: Q: The earth's magnetic poles have done what repeatedly in the past? A:

OPTIONS:
- rotated
- stayed the same
- demagnetized
- switched places

A: switched places

input: OPTIONS:
- theology
- astronomy
- epistemology
- cosmology Now, answer this question: Q: What branch of science is the study of the universe, not of cosmetics? A:
A:
output: cosmology

Q: What type of isotopes have short half-lives and are given in very low doses? A:

OPTIONS:
- stable isotopes
- gasses
- radionuclides
- radioisotopes

Answer: radioisotopes

Problem: OPTIONS:
- oxides
- electrons
- crystals
- anions
Q: Q: Ionic compounds take on the form of extended three-dimensional arrays of cations and what else? A:
Answer: anions

Q: What causes a meteoroid to vaporize after it enters the atmosphere? A:

OPTIONS:
- gravitational pull
- atmospheric pressure
- spontaneous combustion
- friction with atmosphere

Answer:
friction with atmosphere