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kogti [31]
3 years ago
14

Researchers have discovered a genetic ________ likely related to increased resistance to smallpox and plague in europe about 5,0

00 years ago that reduces susceptibility to ________.
Business
2 answers:
r-ruslan [8.4K]3 years ago
7 0

The answer is: mutation; HIV infection

Virus could not live on the host that does not provide suitable environment for it to live.

From the discovery , the researches try to propose an argument that in the past our body is not suitable environment for HIV virus to live. When our body experience a mutation to become resistance to smallpox or plague, our body change into an environment that is suitable for the HIV infection.  This become the reason why HIV become more prevalent since 500 years ago.

Alexeev081 [22]3 years ago
6 0
Researchers have discovered a genetic MUTATION likely related to increased resistance ................................ that reduces susceptibility to HIV INFECTION.
In 2005, Biologists at the University of Liverpool had discovered how the plagues of the middle age had made about 10% of European resistant to HIV infection. These individuals have genetic mutations which prevent the HIV virus from entering the cells of their immune system. 
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The phrase "invisible hand" means that:
never [62]

Answer:

The correct answer is letter "B": The tendency of competition to cause individuals and firms to unintentionally promote the interests of society.

Explanation:

In his book "<em>An Inquiry into the Nature and Causes of the Wealth of Nations</em>" (1776), British economist Adam Smith (1723-1790) introduced the term "invisible hand" to refer that economic factors (buyers and sellers) naturally influence in the fluctuations of supply and demand without the need for the intervention of the government.  

According to Smith, buyers and sellers interactions act as an "invisible hand" arranging proper levels of competition between businesses and promoting the best interest of societies.

4 0
3 years ago
Imagine that both the skycar and jet powered wing become sold commercially. What hospitality and tourism businesses might develo
Ede4ka [16]

Explanation:

Companies could improve and implement differentiated services for customers.

What could probably happen is that tour companies offer a personalized service, faster and cheaper with the possibility of purchasing a skycar and jet, as hotel guests usually make a tour itinerary that requires high mobility costs, therefore offering this differentiated and cheaper service directly at the establishment would mean a focused differentiation strategy that would add several benefits, such as increased profitability and customer loyalty.

6 0
2 years ago
Gammy Corporation provides services with a normal price of $800,000 and a trade discount of $100,000. Terms are 2/10, n/30 and t
oee [108]

Answer:

$686,000

Explanation:

net service revenue = gross revenue - discount for early payment

gross revenue = total sales price - trade discount

gross revenue = $800,000 - $100,000 = $700,000

net service revenue = $700,000 - 2%($700,000) = $700,000 - $14,000 = $686,000

4 0
2 years ago
A worker, who is typical in all respects, works for a wage of $30,000 per year in a perfectly safe occupation. Another typical w
Fantom [35]

Answer:

$6,000,000

Explanation:

Change in risk = 0 in 1,000 to 1 in 1,000 = 0 to 0.001 = +0.001

Change in wage = $30,000 to $36,000 = +$6,000

Therefore:

wage/risk = 6,000/0.001

= $6 million or $6,000,0000

The value of a human life for workers with these characteristics should a cost-benefit analyst use is $6,000,000 because workers are willing to receive an extra $6,000 for a 1 in 1,000 increase in risk of death, implying a value of life of $6 million)Value of human life for workers with these characteristics = $6 million .

In order words the workers require $6,000 to accept a death risk of .001. The value of life implied by this is $6,000/.001 = $6,000,000.

4 0
2 years ago
Read 2 more answers
A firm in China sells toys to a U.S. department store chain. Other things the same, these sales:a. decrease U.S. net exports and
kari74 [83]

Answer: decrease U.S. net exports and increase Chinese net exports

Explanation: All things the same, the Chinese is exporting while the American store is importing. As the Chinese is exporting, the net export (the difference between a nation's exports and imports) in China increases and as the American is importing, the net export in America is decreasing.

8 0
2 years ago
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