Why is sustainable use of natural resources important?
Which gases contribute to the greenhouse effect?
Which describes the greenhouse effect?
Which results from an increase in the greenhouse effect?
A new highly nutritious crop is going to be planted in an area where it has never been planted before. Which is the most likely outcome of such an event?
What are sustainable use practices?
Which is a sustainable practice?
Which substitutions can help reduce air pollution?
Which water source may become polluted as it travels over land?
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