We may believe

We may believe the 21st Century is the first time our species has faced this kind of tragedy, but it is not. Sea levels started to rise nearly 15,000 years ago with the end of the last ice age. The melting land ice caused sea levels to rise on average around 360ft (120m) between now and then – at times it was more like an inundation, with the water rising so quickly that people would have been caught in a desperate struggle to stay ahead of it and somehow cope with the enormous effect it wrought.

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สาระสำคัญ  HIV