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17 hours ago · Permafrost (from perma- ' permanent ', and frost) is soil or underwater sediment which continuously remains below 0 °C (32 °F) for two years or more: the oldest permafrost had been continuously frozen for around 700,000 years. [1] While the shallowest permafrost has a vertical extent of below a meter (3 ft), the deepest is greater than 1,500 ...
17 hours ago · Formaldehyde is an intermediate in the oxidation (or combustion) of methane, as well as of other carbon compounds, e.g. in forest fires, automobile exhaust, and tobacco smoke. When produced in the atmosphere by the action of sunlight and oxygen on atmospheric methane and other hydrocarbons, it becomes part of smog.
17 hours ago · A wildfire (or forest fire, bushfire) is an unplanned, uncontrolled and unpredictable fire in an area of combustible vegetation. [1] [2] Depending on the type of vegetation present, a wildfire may be more specifically identified as a bushfire ( in Australia ), desert fire, grass fire, hill fire, peat fire, prairie fire, vegetation fire, or veld ...
17 hours ago · Sunscreen, also known as sunblock [a] or sun cream, is a photoprotective topical product for the skin that helps protect against sunburn and prevent skin cancer. Sunscreens come as lotions, sprays, gels, foams (such as an expanded foam lotion or whipped lotion [4] ), sticks, powders and other topical products.
17 hours ago · Hydrogen sulfide is a chemical compound with the formula H 2 S.It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with trace amounts in ambient atmosphere having a characteristic foul odor of rotten eggs.
17 hours ago · Almost every tee shot on Oakmont's/Shinnecock's par 4's and 5's are just straight away drivers without any thinking whatsoever. There's no water hazards or trees to worry about at all. You can't see the nearby areas of water so even without trees they're not true links. I don't get the fascination of clearing trees with longer tees on inland ...
