从第二段最后(zuìhòu)一句“This is because the hole in the ozone layer has increased cold winds in Antarctica,making much of the continent surface colder than usual.〞可以得出答案。结果一 题目 What is the effect of the hole in the ozone layer on Antarctica? A. It is causing the ice to...
Ozone is a form of oxygen whose molecule has three atoms, instead of two common oxygen. The third atom is what causes the gas we breathe is poisonous; mortal, if a small portion of this substance is aspirated. The creation and destruction of the ozone molecules happens continuously. The Ult...
The Antarctic ozone hole is a region of extremely large ozone depletion that is roughly centered over the South Pole. Since 1979, the area coverage of the ozone hole has grown from near zer...
A rare hole has opened up in the ozone layer above the Arctic, in what scientists say is the result of unusually low temperatures in the atmosphere above the north pole. The hole, which has been (racked from space and the ground over the past few days, has reached record dimensions, bu...
What is causing high ozone at Summit, Greenland? Causes for the unusually high and seasonally anomalous ozone concentrations at Summit, Greenland were investigated. Surface data from continuous monitoring... D Helmig,SJ Oltmans,TO Morse,... - 《Atmospheric Environment》 被引量: 92发表: 2007年 ...
Coal is hundreds of millions of years nature of solar energy, and in a few hundred years a large number of development and utilization, a large number of coal combustion generates CO2, causing the earth's greenhouse effect. In the meantime, a small amount of sulfur burning in coal generates...
Mind that the unit has filters that you should replace every three months. The appliance itself needs to be cleaned each week. Evaporators Evaporative humidifiers use fans to blow air through a damp wick, filter, or belt, causing the water to evaporate into water vapor. That vapor is then ...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
A cave is a natural underground space large enough for a human to enter, often formed by geological processes, while a hole is a broad term for any opening or cavity in a surface, created naturally or artificially.
What are the Dangers of an Ionizer Air Purifier? Traditional ionizer air purifiers produce ozone, which is a powerful oxidizer. Ozone, especially if inhaled in large quantities, can damage your lungs. If you or your family member is asthmatic, it’s not recommended to use this particular type...