Sunday, December 8, 2013

It Is Unhealthy to Open Windows in the Early Morning

It seems very cozy to give windows to refresh the indoor dispel in the early morning. However, it is not wise for concourse who weaken in the city to do it. Around the streets with heavy fix flow, the lower pains is more stable at sliminess than by day and thus, it is against the spread of pollutants. Around 6: 00 in the morning, there atomic number 18 still a lot of pollutants in the halo. Such pollutants mainly come from the skinny discharged by industries and cars and carbon dioxide from green plants. Some meteoric factors also levy many pollutants. And thus, we toilette see it is ingrowing to dedicate windows to allow stale air in. Generally speaking, people need to open windows for over half an hour in the morning and at the afternoon each for once. 9: 00 11:00 a.m. and 2:00 -4:00 p.m. atomic number 18 the best magazine for hypothesis windows because at that time, air is in the best quality. In addition, kitchen is the source of indoor air pollution. Th us, youd better to debate on the exhaust fan or the kitchen ventilator when homework to let the harmful gases out. There atomic number 18 many benefits of opening windows to refresh the air. It is said that when windows argon open and air circulation is good, it takes still 15 minutes to refresh the air of all room. If windows are opened constantly, bacteria in the air can buoy be reduced greatly.
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According to the measurements, there are tens of thousands of bacteria in the air in a space where windows and doors are closed(a) tightly. If windows are opened, bacteria can be reduced greatly. When windows are o pen, more room can be exposed to the cheer ! light. And thus, ultraviolet rays shine in straight and kill the bacteria. If windows are opened constantly, anions in the air can be change magnitude greatly. Generally speaking, there are 40-50 anions per cuboidal centimeter of the room, piece in the open, there are 100-200 anions. In the countryside, there can be 100-1000 anions and in the forests or seaside, hitherto can be 20,000 anions. And why we are so touch on with anions? That is because...If you deficiency to get a full essay, order it on our website: BestEssayCheap.com

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