Q: What model postulates that electrons orbit the nucleus at fixed energy levels? A:

OPTIONS:
- Newton's model
- coreolis
- atomic model
- bohr

Answer: bohr

Q: Prokaryotes divide via binary fission and do not undergo what process of cell division? A:

OPTIONS:
- prophase
- meiosis
- fusion
- mitosis

Answer: mitosis

Q: What does water treatment do to water? A:

OPTIONS:
- increases volume
- restores bacteria
- adds flavor
- removes unwanted substances

Answer: removes unwanted substances

Q: What scientific word, which gives its name to a type of rock, means "to change form"? A:

OPTIONS:
- evaporation
- evolution
- igneous
- metamorphism

Answer:
metamorphism