Resource - Anything that people can use., Trade - When you exchange an item with someone else., Money, tools, machinery. - Capital resource., People (doctors, nurses, teachers, officers, etc) - Human resource., Scarcity - Not having enough of something as clean water and healthy food., Trees, paper, everything that comes from nature. - Natural resource., Saving - Putting away money in a bank account or piggy bank., Many medicines - Come from rainforests., Needs - Something that people need to survive., Wants - Something that people want but they don't need to survive.,

Weeks 28 and 29

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恢復自動保存: ?