Natural or Man-Made Substances Released into Soil, Air, or Water

Q6: Plastics that wash into the ocean cause

Q7: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7840/.jpg" alt=" -According to this

Q8: One kind of acid rain forms when

Q9: Which field of study most specifically addresses

Q10: California's native golden trout declined after European

Q12: Explain how the ozone layer benefits living

Q13: What are the major effects of deforestation?

Q14: Near the ground, where ozone levels are

Q15: Precipitation is generally most acidic in which

Q16: Global climate change is caused by _