|概念图建模：自然资源 zhkx 发布于 2021-1-11 浏览数：66 |
1. Something from nature that people can use Water, air, wood, and minerals are natural resources.
2. A substance that comes from rock and soil Minerals are nonliving things.
3. The material from trees used to makepaper , furniture , etc .
4. Clean air and water is good for people.
5. Minerals come from the land.
6. Minerals are found in rocks and soil.