Question: Q: A measure of how close a series of measurements are to one another is what? A:
OPTIONS:
- calculation
- density
- reflection
- precision
Answer: precision

Question: Q: What are surrounded by a cell wall consisting of peptidoglycan? A:
OPTIONS:
- viruses
- protozoa
- amoeba
- bacteria
Answer: bacteria

Question: Q: What do molecules need to do for a reaction to take place? A:
OPTIONS:
- explode
- melt
- separate
- collide
Answer:
collide