<span>According to the national institutes of health, 65 percent of adult americans were overweight or obese in 2005, and 16 percent of american children were overweight.
The expert suspect that this number is caused by both the development of modern technologies that make the people tend to stay indoor with their gadgets rather than doing physical activities and the increase of junk food manufacturers.</span>
Answer:
Social media can have a really negative impact on sexual health of pre-teens or teens because they could be subjected to pedophilia or could see explicit images of genitals and maybe see it and think that their genitals are considered 'not normal' or 'abnormal' because of deformities of their sexual areas.
is this what you meant??
Answer:
Behavioral isolation
Explanation:
Behavioral isolation: The term behavioral isolation is also referred to as ethological isolation and is described as a mechanism of evolution that creates speciation.
In other words, behavioral isolation occurs when two different populations of similar species experience differences in the behavior, for example, mating rituals.
In the question above, the given statement represents the behavioral isolation.
This would be a perfect example of the system of barter as you are trading one book for the other. You can see from here what barter is, a trading system which involves direct exchange of goods without some kind of medium of exchange, for example money. Services can also be traded this way.
There are several ways in which we could justify this statement, but also many ways in which we would be able to challenge it.
In terms of support, we can argue that this was the case because the cultures of America did not have any significant contact with the cultures of Africa or Oceania until the arrival of the Europeans. We can also support this by the fact that the Andean cultures and the Mesoamerican cultures had no contact with each other.
However, there are several factors that show that this was not the case, or that the claim might be exaggerated. For example, we know that many groups in Africa had extensive interactions with each other. For example, the expansion of the Bantu that took place over large regions in Africa. Another challenge could be the extensive contact that many Mesoamerican groups had with each other.
