Your answer will be C. A queen dies, and her son becomes king.
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 .
I just did this lesson in my school, If there were world wide educators on the subject, and/or a clean environment.
Answer:
No
Explanation:
Gold is primarily found as a pure, native metal. Sylvanite and calaverite are gold-bearing minerals. Gold is usually found embedded in quartz veins, or placer stream gravel. It is mined in South Africa, the USA (Nevada, Alaska), Russia, Australia, and Canada. Quartz is a type of igneous rock and Sylvanite and calaverite are a type of rare metal, which when heated, leaves behind gold or gold-silver. So, simply put, no, you cannot find gold in sedimentary rocks.