B is the answer because......
Answer:
On September 7, 1822, Prince Dom Pedro declared Brazil's independence from Portugal, founding the Empire of Brazil, which led to a two-year war of independence. Formal recognition came with a treaty signed by both Brazil and Portugal in late 1825.
Explanation:
And scientists say it will take natural processes 6,000 years to refill the reservoir
<span>The right answer is B - American agriculture is best suited to the use of large plowing and harvesting equipment. American harvesting is so called because it was a system devised by the settlers in America that allowed them to provide large amount of food, making the most of the seemingly unlimited space that they now had access to.</span>
Answer: d. It is physically separate from the rest of the United Kingdom, a multinational state.
Explanation:
Northern Island is one of the constituent countries of the United Kingdom and from the map one can see that it is physically separated from the rest of the U.K. .
The entire island where the Irish countries are situated used to be part of the U.K. up until 1922 when the current Republic of Ireland seceded from the U.K. after the Irish War of Independence.