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Grade 9 - Environmental Chemistry


Effects of chemicals on the environment, human activity, and sustainability

Which gas is the main contributor to global warming?





Which of these is a renewable energy source?





Acid rain is primarily caused by emissions of _____.





Which process describes the breakdown of waste by microorganisms?





What is one consequence of using chemical pesticides excessively?





Which chemical element is essential in fertilizers but can cause water pollution if overused?





Biodegradable materials are best described as _____.





The thinning of the ozone layer is mainly caused by _____.