Noise pollution - It refers to the excess of sound in a certain environment., Industrial pollution - Harmful substances that an industry sends out to the natural environment., Greenhouse effect - A process that happens when gasses in Earth's atmosphere capture the heat of the sun., Ozone layer - It is an invisible layer that protects human beings from harmful rays, such as ultraviolet rays., Sea pollution - It´s the act of adding materials or substances that makes the ocean dirty and leads to the destruction of marine biodiversity.,

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