WVGSA Grade 8 Science Practice Questions - West Virginia General Summative Assessment Grade 8 Science Exam

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Plastics are synthetic materials derived from petroleum hydrocarbons. What is a major societal and environmental impact of replacing natural materials with synthetic plastics?

Synthetic plastics decompose faster in nature than paper or cotton Plastics are durable and low-cost, but resist natural decomposition leading to long-term landfill and marine pollution Petroleum used for plastics is an infinite renewable resource Plastics require no chemical processing during manufacturing

Correct Answer:

Plastics are durable and low-cost, but resist natural decomposition leading to long-term landfill and marine pollution

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