If power plants can cause acid rain, then what can power plants cause? Answer choices: - Pesticides - wind - heat energy - acid rain - friction - Pollution - coal - oil
acid rain
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If enormous rooms are formed by carbonic acid in groundwater seeping through rock and dissolving limestone, then what are formed by carbonic acid in groundwater seeping through rock dissolving limestone? Answer choices: - oceans - Calcium carbonate - coral reefs - enormous rooms - a solute - creeks - Greenhouse gasses - a hydraulic system
enormous rooms
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If erosion can cause destruction, then what can erosion cause? Answer choices: - construction - instructions - flooding - erosion - contamination - soil - Pollution - destruction
destruction
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If chondrocytes contain a protein called collagen, then chondrocytes contain which type of protein? Answer choices: - Actin - Keratin - white - allow growth - Collagen - ligt - positive - Hemoglobin
Collagen
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