Answer:
for the development of computer assisted tomography.
Explanation:
The 1979 Nobel Prize winners for Medicine, Sir Godfrey Hounsfield and Allan Cormack won the prize "for the development of computer-assisted tomography."
This is evident in the fact that Sir Godfrey Hounsfield was an English Electrical Engineer, while Allan Cormack was widely known as a South African American physicist.
They both come together to "develop computer-assisted tomography" which is used to provide detailed information about the structure and anatomy of human organs.
The four characterizing changes in retailing and advertising in the second half of the 19th century were the following:
Durable goods
Targeted towards woman
Stylish cars
and Advertising fueled consumer spending.
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Unclear question, however I inferred you referring to the country–Democratic Republic of Congo.
Explanation:
Sadly, the Democratic Republic of Congo has been faced with severe economic challenges for decades. This African Nations has an economy that thrives on agriculture. However, due to decades of civil unrest in the country it has been faced poor economic progress.
For example, commenting on the economic challenges of the country, the World Bank states that majority of the country's population (64%) lives on less than $1.90 a day.
The volume of miners and industries using copper in the 20th century presented an exponential growth. Mining tends to extract the highest grade resources first, once they are the most profitable. With the intense activity achieved during the last century, the higher grade non renewable sources were quickly depleted, forcing the industry to start exploring lower grades sources to satisfy the demand.
It is also noteworthy that mining copper of higher quality causes more damage to the environment, having its protocols and restrictions consequently addressed by the legislation. Therefore the costs of mining 5% copper might be outweighed by a higher margin of profit from 0.5% copper which also is less damaging to the environment.
