If mantle convection causes earthquakes, then mantle convection causes what? Answer choices: - demolitions - global warming - earthquakes - forest fires - erosion - tsunamis - heat energy - heating liquids
earthquakes

If the gravitational pull of the Moon on the Pacific causes the tides, then the gravitational pull of the Moon on what causes the tides? Answer choices: - the sun - earth - squids - mountains - Pacific - Jupiter - amoebae - our star
Pacific

If abattery-powered computer requires a closed circuit for electricity to flow, then abattery-powered computer requires a what for electricity to flow? Answer choices: - direct energy - closed circuit - kinetic energy - broken circuit - open air - hydrogen and oxygen - heat energy - open circuit
closed circuit

If being buried under soil and mud changes vegetation into bogs through extreme pressure and heat, then being buried under soil and mud changes what into bogs through extreme pressure and heat? Answer choices: - graptolites - erosion - vegetation - Sediment - ice - q-particles - fossil fuels - water
vegetation