1. What are the natural advantages & disadvantages of the USA.

Đáp án:

US advantages are:

- Dense population

- The strong development

- Technology and science - advanced technology

- Food and foodstuff are abundant and sufficient for export

- Very modern and advanced machinery for each era 

- The US has very diverse and rich plant species, all types. ....

The disadvantage of US natural conditions is:

- The climate is cold all year round

- There is sometimes snow and heavy fog.

- The temperature is often below $20$ degrees Celsius

...

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