Answer:
the study of how society chooses to use scarce resources to satisfy its unlimited wants and needs. ... in economics, any material provided by nature that can be used to produce goods or provide services.
Explanation:
The answer is the past. It is because in order to learn, you need to realize the things you have done in the past and to make sure that the mistakes you had gone through in the past, will never repeat on the future as you are able to realize your faults and failures and it is a way of having guidance to keep in mind, so that it will not happen again.
The answer is like the second choice, “Africa’s river systems made it easy for Europeans to reach the the African interior”. We can determine this is correct by cancelling out the other options.
1- yes, Africa WAS rich in natural resources, but the Europeans did not care much for that. They had come to Africa for trade and slaves.
3- similar to A, the Europeans weren’t there because they were running out of space, yes they did conquer and claim lands in Africa, but the purpose of them being there was goods.
4- a lot like C, but not very relevant at all, especially since at this time the Europeans who were traveling definitely did not farm, they wanted their goods already prepared.
Since the other options have been ruled out, I will explain 2 a little bit. Obviously, the Europeans had sailed to Africa. At first the remained on the edges of it, taking over ports and just sailing along picking up slaves and continuing west. A good example of an African river used by the Europeans is the Congo River. It branches out throughout all of Congo and it’s historical importance is that an explorer named Henry Morton Stanley used it to continue into Africa. Though he may not sound familiar, we’ve all heard the phrase “Doctor Livingstone, I presume”. It was Stanley who said this once meeting with him.
Drug trafficking is drug trade and drug abuse is habitat of taking drugs and other forms of crimes makes your heart and your soul keeps you engage in these activites.
The Dual Use Dilemma refers to uncertainty on how to prevent misuse of scientific breakthroughs.
<h3><u>Explanation: </u></h3>
The Dual Use Dilemma is a general dilemma in the scientific community that arises whenever a scientific breakthrough happens that can be weaponized by hostile entities in order to be used as a force of evil.
The dual use refers to the technology obtained from the breakthrough being used to fulfill its intended purpose of helping the general population, while it may be used as a weapon as well, thus the dual use dilemma. Scientists think that preventive measures would only lead to impeding the scientific progress of the concept, which leads to an even bigger problem.
