Q: A van de graff generator produces what type of charge on its dome, causing the tendency to give up electrons? A:
OPTIONS:
- positive charge
- similar charge
- no charge
- negative charge

Answer: negative charge

Question: Q: Every chemical reaction occurs with a concurrent change in what? A:
OPTIONS:
- neutrons
- mass
- hydrogen
- energy
Answer: energy

input with options: Q: What kind of weathering changes the size of a mineral or rock but does not change its chemical composition? A:
OPTIONS:
- molecular weathering
- chemical reaction
- radiation
- mechanical weathering
output: mechanical weathering

Q: Q: What do you call the traits that allow a plant, animal, or other organism to survive and reproduce in its environment? A:

OPTIONS:
- additions
- advantages
- settings
- adaptations

A: adaptations

input: OPTIONS:
- adolescence
- primary stage
- neonatal stage
- infancy Now, answer this question: Q: What is first year after birth is called? A:
A:
output: infancy

Question: Q: Vertebrates also require relatively large quantities of calcium and phosphorus for building and maintaining what? A:
OPTIONS:
- brain cells
- blood
- metabolism
- bone
Answer:
bone