Q: Experiments show that each o2 molecule has two unpaired what? A:
OPTIONS:
- quarks
- protons
- neutrons
- electrons
electrons

Q: Cold fronts in winter may bring what type of storm? A:
OPTIONS:
- showers
- monsoon
- typhoon
- snow storm

Answer: snow storm

Question: Q: Cycling, shoveling snow and cross-country skiing are examples of what kind of heart-strengthening activity? A:
OPTIONS:
- metabolism
- anaerobic
- exercise
- aerobic
Answer: aerobic

input with options: Q: How do you calculate the atomic mass of an element? A:
OPTIONS:
- add neutrons and electrons
- count the electrons
- multiply protons by neutrons
- add the protons and neutrons together
output: add the protons and neutrons together

Q: Q: The eukaryotic cell cycle is regulated by a what? A:

OPTIONS:
- anti-lock control system
- protons control system
- nucleus control system
- molecular control system

A: molecular control system

Q: On the atomic level, the dissolution of an ionic compound occurs when water interacts with the what in the crystal lattice? A:
OPTIONS:
- atoms
- fractals
- particles
- ions
ions