A. cutting down or burning of all the trees in a forested area
Answer:
Better life
Explanation:
The quality of life is better in Minnesota than Vietnam so that may be a reason why citizens from Vietnam to immigrate or move to Minnesota.
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 waxy coating on their leaves is being damaged by B) acid rain <span />
