According to the production possibilities curve, what is
your opportunity cost for producing one pair of hiking
boot inserts?
three pairs of running shoe inserts
two pairs of running shoe inserts
ten pairs of running shoe inserts
fifteen pairs of running shoe inserts

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

Why are primary sources important when studying historical events

Is this statement true or false? before 1850, workers in american mines, mills, and factories were poorly paid, but their safety on the job was always protected by strict laws.