Do you know how to distinguish smoke, fog and smog from their presence in the air ?
Is the air of the city in the picture where I spend a lot of my time, full of smoke, fog or smog ?
by Kelly A Burnett2 years ago
I have been closely following the smog around the world from a website that produces up to the minute details.The facts are scarey and we as global citizens I feel need to know that is happening to our environment.The...
by boyatdelhi5 years ago
What is smog?
by aka-dj8 years ago
I have never been a smoker, nor a drunk (alcoholic), so I don't know what it's like. But I find it interesting that some can quit "just like that", and others never can. Still others battle with off, and on,...
by Mary Hyatt3 years ago
How come ceiling fans get so dirty when they are in constant motion?
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