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Question1:oil,fishes,vegetables and corns
Question2: No. As the pictures show , many people in poor areas have few resources or even don't have any. These people need water, food and so on. They need more resources to live in the world. So the resources are not enough in the world.
Question3: In picture one , the five people can only have a little food, they need food.They even don't know if they can survive.So needs are the basic requirements for human survival.In picture two , people are having a delicious meals in a clean environment.They look satisfied. So wants are people's desire and what can make people satisfied.Needs are limited but wants are unlimited.
Question4: The first reason is that there are not so many resources in the world such as water oil soil……These are very useful but scarce.The next reason is people's needs are infinite ，So if resources are not produced, any more resources will be exhausted.The last reason is the deterioration of the environment leads to the reduction of resources.
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