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 .
It is done so that the soil of farms is not used for only one set of nutrients. It helps in reducing soil erosion and increases soil fertility and crop yield.
B, government is the answer
Answer:
1. Caste System or Varna
2. Etymology
3. Monotheism
4. Polytheism
5. Theocracy
6. The practice of formal or proper spelling
7. Religion
8. The gradual transition from agriculture systems to machine systems in the 19th and early 20th century, mainly in The United States, Europe, and Japan, that transformed the world into the modern place that it is today.
Explanation: