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 .
Because it is to help urban people to more modern just like in city areas
The answer is B because the ivy responds to the poles in the ground by growing on them.
Glaciers cause erosion by abrasion and [plucking].
The sediment deposited by glaciers is called [till].
When a chunk of ice left behind by a receding glacier melts, the water stays in the kettle, forming a [kettle lake].