Wich submatomic particle has a negative charge and orbits the nucleus of an atom?, proton, neutron, electron, quark, What is the process by wich water moves through a plant from roots to leaves and evaporates into the air?, transpiration, photosynthesis, condensation, respiration, Wich type of rock is formed cooled and solidified magma or lava?, igneus, metamorphic, crystalline, sedimentary, What is the speed of light in a vacuum (rounded to the nearest thousand km/s)?, 150,000 km/s, 288,000 km/s, 299,000 km/s, 765,000 km/s, What is the unit used to measure electric current?, ampere, ohm, watt, volt

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