presence of any undesirable or contaminated substance in the environment called _____
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ᴘᴏʟʟᴜᴛɪᴏɴ: ɪᴛ ɪs ᴛʜᴇ ᴘʀᴇsᴇɴᴄᴇ ᴏғ ᴀɴʏ sᴜʙsᴛᴀɴᴄᴇ ᴏʀ ᴍᴀᴛᴇʀɪᴀʟ ᴛʜᴀᴛ ᴍᴀʏ ᴄᴀᴜsᴇ ᴀ ʜᴀʀᴍғᴜʟ ᴇғғᴇᴄᴛ ᴏɴ ʜᴜᴍᴀɴ, ᴀɴɪᴍᴀʟ ᴀɴᴅ ᴘʟᴀɴᴛ. ɪғ ᴛʜᴇɪʀ ɪs ɴᴏ ʜᴀʀᴍ, ᴛʜᴇɴ ɪᴛ ɪs ᴄᴀʟʟᴇᴅ ᴄᴏɴᴛᴀᴍɪɴᴀɴᴛ.❤
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Pollution: It is the presence of any substance or material that may cause a harmful effect on humans, animals, and plants. If there is no harm, then it is called a contaminant
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