Question

State whether the following statements are True or False:

4. Lignite is a high grade coal.


5. Bolivia is the leading producer of tin in the world.




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Answer 1

Answer:

I think its false...

I think

not sure

Answer 2

Answer:

Anthracite: The highest rank of coal. ...

Lignite: Lignite coal, aka brown coal, is the lowest grade coal with the least concentration of carbon. Lignite has a low heating value and a high moisture content and is mainly used in electricity generation.

4) is false

Explanation:

China is the leading producer of tin in the world and many of its large companies are related to the production of this metal. The tin producing important regions are Yunnan province and the Guangxi Zhuang region. The net exports of tin is recorded at 26,300 metric tonnes but recently the country decided to cut 40% of its tin exports in the wake of call from the government. The companies related to tin production are Yunnan Tin Group that produces 40,000 metric tonnes and Yunnan Chengfeng produces 20,000 metric tonnes. The metal is mainly used in solders, electrical construction and tin production.

5) is false