Chemistry
Chemistry, 08.04.2021 17:50, rwlockwood1

Which of the following has had the most negative effect on Earth's ecosystems? A. establishment of air pollution standards.
B. increase in human population
C. recycling glass, plastic, and metals
D. use of natural predators to control pest insects.

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Which of the following has had the most negative effect on Earth's ecosystems? A. establishment of...

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