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6. What is comet?
- Rocks left over from the formation of the solar system.
- A small body with a core of frozen gas & dust.
- A near earth object is an asteroid or comet that is on a possible collision course with Earth.
7. How is high-level radioactive waste stored?
- Enclosed in glass & stored underground in steel cylinders.
- Sealed & buried in landfill sites.
8. State the equation used to calculate electrical power?
- Power = Current x Voltage
- Power = Voltage x Time
- Power = Current x Time
- Power = Current x Total Cost
9. What is it meant by renewable energy?
- Energy that will run out.
- Energy that will not run out.
- Energy that is finite.
10. Three types of fuel used in power stations?
- Petrol, Biomass & Nuclear Fuel
- Nuclear Fuel, Fossil Fuels & Gas
- Fossil Fuels, Biomass & Nuclear Fuel
- Fossil Fuels, Petrol & Biomass
11. What is an asteroid?
- Remains of planet that collided with Earth billions of years ago.
- Rocks left over form the formation of the Solar System.
- A small body with a core of frozen gas & dust.