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Chemistry, 08.09.2021 17:30 natlovesfood

biết trong không khí chứa chủ yếu là 2 khí N2 và O2 .vậy tại sao các vùng núi cao có nồng độ oxi loãng hơn đồng bằng

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biết trong không khí chứa chủ yếu là 2 khí N2 và O2 .vậy tại sao các vùng núi cao có nồng độ oxi loã...

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