ENGLISH 8 - UNIT 7-8-9 - REVIEW - SPEAKING

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How many types of pollution are there (in Grade 8 textbook)?

8 (water/land/noise/radioactive/thermal/air/light/visual)

How do you define "water pollution"?

the contamination of lakes, rivers, oceans, or groundwater, usually by human activities.

How do you define "visual pollution"?

The sight of too many telephone poles, advertising billboards, overhead power lines, or shop signs

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