Environmental pollutionsEnvironmental Sciences
"Learners can understand the basic knowledge of the pollution in the environment. Learners can follow-up the cycle process of pollution. Learners can understand the effective and solution choice of pollution in the environment. 1. Water pollutions - This material explains about how the water will be impacts and its pollution. 2. Soil pollutions - This material explains about how the soil will be impacts and its pollution. 3. Air and Noise pollutions - This material explains about how the air and noise will be impacts and its pollution."
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