Small sized solid particles and liquid droplets are collectively formed as particulates. Of various particles emitted into the atmosphere, carbon (soot) particles are common ones.
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34.
What type of pollution affects the sea-birds?
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35.
What is the composition of soil?
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36.
What is loam soil?
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37.
What is citation?
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38.
What is humification?
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39.
Name a gas which is colourless, tasteless and odourless but highly toxic.
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40.Which surfectants are chemically used in synthetic detergents?
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