Pollution is the introduction of harmful and _____ substances into the environment., natural, poisonous, helpful, clean, Pollution is the introduction of harmful and poisonous substances into the _____., environment, garden, factory, vehicle, Waste is taken to _____ to be buried., homes, forests, rivers, landfills, Buried waste releases _____ substances into the ground., safe, useful, harmful, fresh, This type of pollution happens when waste is buried and affects the ground., air pollution, noise pollution, water pollution, land pollution, _____ such as oil and coal are burned to produce energy., rain clouds, fossil fuels, solar panels, windmills, _____ is formed when air pollutants dissolve in rainwater., steam, dew, acid rain, fog, This type of pollution happens when fossil fuels are burned., air pollution, land pollution, water pollution, soil farming, _____ waste is released into the nearby sea or lakes., paper, household, garden, industrial, Marine creatures can be harmed when there is an _____., harvest, oil spill, rainstorm, earthquake.

Pollution

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