Compare and contrast consider the columbian exchange and its effects on populations in africa, europe, and the americas. how did the exchanges cause some populations to decline in number, while others rose in number?

i think you really need to revive you answer! : d

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.

because this was the year that the state of israel was formed