what are *4* positive and *4* negative impacts of the Columbian Exchange? also, please explain each of the impacts. *PLEASE*

The maps below show the middle east. which best explains how the green areas depicted in the image on the left are reflected in the population map on the right? populations are greater in fertile areas that are close to freshwater sources, which is why more people live near deserts. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near oceans. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near mountains. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near rivers. plz hurry in test only have 34 mins left

What are the media and the press sometimes referred to as? a.the fourth estateb.the sixth branchc.the mouthpiece of the governmentd. the first estate

How do private property rights serve as an incentive in a free enterprise economy ?