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*When water becomes unclean and poisonous due to mixing of natural or artificial unwanted material, the amount of ___________ decreases.*1️⃣ Nitrogen2️⃣ Oxygen3️⃣ Hydrogen4️⃣ Carbon dioxide |
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Answer» Explanation: When water becomes unclean and poisonous due to MIXING of natural or ARTIFICIAL unwanted MATERIAL, the amount of ___________ decreases.* 1️⃣ Nitrogen 2️⃣ Oxygen 3️⃣ Hydrogen 4️⃣ Carbon DIOXIDE |
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