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卡片总数: 6 张•内容版本: v3•公开卡包•更新时间: 8/1/2026
卡片预览 (6 张)
#1
正面 (问题)
natural resource
背面 (解答)
Anything that occurs naturally in the environment and is used by people
#2
正面 (问题)
pollution
背面 (解答)
The contamination of Earth’s land, water, or air
#3
正面 (问题)
renewable resource
背面 (解答)
is either always available or is naturally replaced in a relatively short time
#4
正面 (问题)
nonrenewable resources
背面 (解答)
resources that are not replaced in a useful time frame
#5
正面 (问题)
ecological footprint
背面 (解答)
The amount of land and water that individuals use to meet their resource needs and absorb the waste they produce
#6
正面 (问题)
conservation
背面 (解答)
the practice of managing the use of resources wisely so the resources last longer