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Biology, 02.07.2019 15:50 rhonditah

Since about 1990, the world population has increased by about what percentage? a) 10% b) 100% c) 70% d) 40% i think it's either a or d but i'm not sure

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Since about 1990, the world population has increased by about what percentage? a) 10% b) 100% c) 70...
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