Which of the following is the open-chain form of the pyranose structure shown below? HO OH н HO H HO но Н- Н CHO Н OH .H н -ОН CH OH H OH Н -OH Н- НО- Н- HO CHO -OH H -OH H CH2OH 0 Н. Н- Н- Н. CHO -ОН -ОН -OH -OH CH₂OH Ш Н- Н. HO. Н. CHO OH -OH .H -OH CH₂OH IV

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.