As she was riding her bicycle down a hill, amy hit a large rock and started to lose her balance. she managed to come to a stop without falling. once she stopped, she noticed her heart was racing and she was shaking. after that, amy realized she was frightened. the james lange theory of emotion best explains this sequence of events.
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It is called the fertile crescent because of it's close proximity to many water sources. The abundant source of fresh water caused the soil to be unusually fertile for the area and allowed for farming.
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Fossil records of dinosaurs show similar structure to birds. I took a test on this