The answer is a) manganese nodules
The Three Economic Sectors. According to the three-sector theory, all economic activity can be classified into one of three sectors: the primary sector, the secondary sector and thetertiary sector.
Imagine that the arable land is scarce then people will compete for land in competition will be big this means that it is more likely to be able to find smaller pieces of land for it is likely that the size of the House and farms will be small
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The pros
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The different types of energys
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Climate can have many effects on vegetation. An example of this is vegetation growth and survival. Numerous species of plants need a specific climate in order to survive. If those needs are not met, then the plant will die.
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