even ozone, to form a wide variety of toxic products, some of which may cause biological mutations. Examples of these chemicals include the nitrate radical, nitroarenes, and nitrosamines. Visibility Impairment - Nitrate particles and nitrogen dioxide can block the transmission
In the U.S., the clocks will be turned back one hour on Nov. 2, at 2:00 a.m. local time, so trick-or-treaters will hang on to a little more light on Halloween. (Mark your calendar, we âspring aheadâ an hour on the second Sunday in March.). If you live in Europe, you will have already moved your clock back to Standard Time on Sunday, Oct. 26, in the wee hours of the morning (it varies by country), in Asia, most countries do not observe Daylight Saving.
By The Times-Picayune. on March 07, 2015 at 8:01 PM, updated March 08, 2015 at 2:26 PM. Most people in the United States change clocks forward by 60 minutes before heading to bed Saturday night due to daylight saving time, but officials recommend keeping other things in mind, too. Experts say it's also a good time to replace batteries in smoke detectors and other devices.