If current follows a circuit, then what does current follow? Answer choices: - rivers - short - ground - watershred - courtship - circuit - waves - voltage
circuit
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If an insect has an exoskeleton, then what type of organism has an exoskeleton? Answer choices: - fungi - ferns - mollusks - animals - barnacles - reptiles - insects - birds
insects
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If the emission of sulfur dioxide causes pollution to the environment, then the environment is polluted when what is emitted? Answer choices: - fossil fuels - humans disturb it - Organic compounds - harmful substances - chlorofluorocarbons - carbon dioxide - sulfur dioxide - Greenhouse gases
sulfur dioxide
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If pushing on the pedals of a bike cause kinetic friction, then pushing on the pedals of a bike cause what? Answer choices: - pedals - get started - stillness - Pollution - Decrease bodily water - lack of motion - kinetic friction - electromagnetic energy
kinetic friction
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