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.
This term is meant to trigger your memory to set your clocks forward 1 hour in the spring at the start of DST, and 1 hour back in the fall when DST ends. A different way to remember which direction to set your clock for DST is that in the spring, you bring out (or forward) the garden furniture and in the fall you put it back. In North America, it is common to use the word fall to denote the season, while other English-speaking countries usually call it autumn.