Egypt has a mixed economic system which includes a variety of private freedom, combined with centralized economic planning and government regulation.
Too many people for China's land and food resources.
Answer:
Explanation:
Catalytic converters are used as an exhaust emission control device and are used to remove toxic gases and products by catalyzing the redox reactions.
The Corporate Average Fuel Efficiency (CAFE) standards were set of rules enacted in the USA to increase the efficiency of fuel engines and hence to reduce the emission rates .
The ethanol as compared to the conventional gasoline emits 50 per cent or lesser greenhouse gases to the environment .
The theory that explains the causes of earthquakes and volcanoes is plate tectonics
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