Fact 1: Tidal energy can be used to produce electricity. Fact 2: Ocean thermal is energy derived from waves and also from tidal waves. Given the two facts above, what can be used to produce electricity?
OPTIONS:
- ocean thermal
- a hydraulic system
- a delta
- Firecrackers
- by indirect light
- engines
- hydrogen and oxygen
- rays or beams

Answer: ocean thermal

Fact 1: Excretion is the process of removing wastes and excess water from the body. Fact 2: Normally, zinc leaves the body in wastes. Given the two facts above, how does Zinc usually leave the body?
OPTIONS:
- irradiation
- A drug.
- burning coal
- Excretion
- physical removal
- vomit
- an ion
- evaporation

Answer: Excretion

Fact 1: Cell division is how organisms grow and repair themselves. Fact 2: Mitosis is cell division. Given the two facts above, how do organisms grow and repair themselves?
OPTIONS:
- complex
- gametes
- recycling
- mechanical
- Microscope
- mitosis
- meiosis
- atoms

Answer:
mitosis