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chapter 3 secetion 2
5th period geo
Term | Definition |
---|---|
natural resource | a material in the natural environments that people value and use to satisfy their needs |
renewable resource | a natrusl resurce that the environment continues to supply or replace as it is used |
nonrenewable resource | a natural resource that can not be replaced once it is used |
fossil fuel | any one of severalnonrenewable mineral resources formed from the remains of ancient p lants and animals and used for fuel |
nuclear energy | a type of energy produced by fission the splitting of uranium atoms in a nuclear reactor releasing stored energy |
water power | energy produced from falling water to move machinery or genrate electricity |
geothermal energy | energy produced from the earths intense interior heat |
solar energy | energy produced by the sun |
primary economic activity | an economic activity that takes or uses natural resources directly such as fishing or mining |
subsistence farming | farming that provides enough for the needs of family or a village |
commercial farming | the raising of crops and lie stock for sale in marks |
secondary economic activity | an ecomomic activity in wich people use raw materials to produce or amifactire mew products of greater value |
cottage industry | a small scale manufacturing operation using little technology often located in or near peoples homes |
commercial industry | a large scale manufacturing operation that employs many people ad produces large quantities of goods |
tertiary economic activity | an economic activity in wich people do not directly gather or process raw materials but not pursue activities that serve others servic industry |
quaternary economic activity | an economic activity that focuses on the acquisition processing and sharing of information suuch as education or research |
export | an item that is sent out of the country for sale |
import | an item that is brought into a the country for sale |