Pollution is the introduction of harmful substances or products into the environment. This can cause long-term damage to the ecosystem and human health. There are several types of pollution, including air pollution, water pollution, and soil pollution.
Reading Standards for Literacy in Science and Technical Subjects
Craft and Structure
Determine the meaning of symbols, key terms, and other domain-specific words and phrases as they are used in a specific scientific or technical context relevant to grades 6-8 texts and topics.