Fact 1: Tectonic plates being pushed together causes earthquakes. Fact 2: On Earth, mantle convection causes plate tectonics, volcanism, and earthquakes. Given the two facts above, mantle convection causes what?
OPTIONS:
- demolitions
- global warming
- earthquakes
- forest fires
- erosion
- tsunamis
- heat energy
- heating liquids
earthquakes
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Fact 1: The gravitational pull of the Moon on Earth 's oceans causes the tides. Fact 2: To the west is the Pacific Ocean. Given the two facts above, the gravitational pull of the Moon on what causes the tides?
OPTIONS:
- the sun
- earth
- squids
- mountains
- Pacific
- Jupiter
- amoebae
- our star
Pacific
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Fact 1: Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit. Fact 2: Electrical engineers work on power plants, computers, and other electrical devices. Given the two facts above, a battery-powered computer requires a what for electricity to flow?
OPTIONS:
- direct energy
- closed circuit
- kinetic energy
- broken circuit
- open air
- hydrogen and oxygen
- heat energy
- open circuit
closed circuit
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Fact 1: Being burried under soil and mud changes vegetation into peat through extreme heat and pressure in a swamp over a long period of time. Fact 2: Bogs are composed of peat. Given the two facts above, being buried under soil and mud changes what into bogs through extreme pressure and heat?
OPTIONS:
- graptolites
- erosion
- vegetation
- Sediment
- ice
- q-particles
- fossil fuels
- water
vegetation
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