Q: Which two planetary bodies have humans walked on? A:
OPTIONS:
- Mars and Jupiter
- The Sun and Mars
- Earth and Saturn
- earth and the moon

Answer: earth and the moon

Question: Q: What do you call any substance in food that the body needs? A:
OPTIONS:
- dietary
- antioxidant
- beneficial
- a nutrient
Answer: a nutrient

input with options: Q: The force on a charged particle in a magnetic field is always perpendicular to both its velocity vector and the? A:
OPTIONS:
- position vector
- track vector
- gravity vector
- field vector
output: field vector

Q: Q: What term is used to describe the energy of matter in motion? A:

OPTIONS:
- frictional energy
- gravitational energy
- emotional energy
- kinetic energy

A: kinetic energy

input: OPTIONS:
- helium shell
- motile shell
- nucleic shell
- valence shell Now, answer this question: Q: What do you call an incomplete outer shell of an atom? A:
A:
output: valence shell

Question: Q: The chemistry of each element is determined by its number of what? A:
OPTIONS:
- nuclei and neutrons
- protons and neutrons
- electrons and neutrons
- protons and electrons
Answer:
protons and electrons