7 billion people and you: What’s your number?
Via Scoop.it – Geografía e Historia en Secundaria The world’s population is expected to hit seven billion in the next few weeks. How do you fit in?Show original
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por jmoraga ·
Via Scoop.it – Geografía e Historia en Secundaria The world’s population is expected to hit seven billion in the next few weeks. How do you fit in?Show original
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