- published: 29 Nov 2016
- views: 85975
Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products. Slower oxidative processes like rusting or digestion are not included by this definition.
Fire is hot because conversion of the weak double bond in molecular oxygen, O2, to the stronger bonds in the combustion products carbon dioxide and water releases energy (418 kJ per 32 g of O2); the bond energies of the fuel play only a minor role here. At a certain point in the combustion reaction, called the ignition point, flames are produced. The flame is the visible portion of the fire. Flames consist primarily of carbon dioxide, water vapor, oxygen and nitrogen. If hot enough, the gases may become ionized to produce plasma. Depending on the substances alight, and any impurities outside, the color of the flame and the fire's intensity will be different.
Fire in its most common form can result in conflagration, which has the potential to cause physical damage through burning. Fire is an important process that affects ecological systems around the globe. The positive effects of fire include stimulating growth and maintaining various ecological systems. Fire has been used by humans for cooking, generating heat, light, signaling, and propulsion purposes. The negative effects of fire include hazard to life and property, atmospheric pollution, and water contamination. If fire removes protective vegetation, heavy rainfall may lead to an increase in soil erosion by water. Also, when vegetation is burned, the nitrogen it contains is released into the atmosphere, unlike elements such as potassium and phosphorus which remain in the ash and are quickly recycled into the soil. This loss of nitrogen caused by a fire produces a long-term reduction in the fertility of the soil, which only slowly recovers as nitrogen is "fixed" from the atmosphere by lightning and by leguminous plants such as clover.
Los Angeles (i/lɒs ˈændʒəlᵻs/ loss AN-jə-ləs or loss AN-jə-liss) (Spanish for "The Angels"), officially the City of Los Angeles and often known by its initials L.A., is the second-largest city in the United States after New York City, the most populous city in the state of California, and the county seat of Los Angeles County.
Situated in Southern California, Los Angeles is known for its mediterranean climate, ethnic diversity, sprawling metropolis, and as a major center of the American entertainment industry. Los Angeles lies in a large coastal basin surrounded on three sides by mountains reaching up to and over 10,000 feet (3,000 m).
Historically home to the Chumash and Tongva, Los Angeles was claimed by Juan Rodríguez Cabrillo for Spain in 1542 along with the rest of what would become Alta California. The city was officially founded on September 4, 1781, by Spanish governor Felipe de Neve. It became a part of Mexico in 1821 following the Mexican War of Independence. In 1848, at the end of the Mexican–American War, Los Angeles and the rest of California were purchased as part of the Treaty of Guadalupe Hidalgo, thereby becoming part of the United States. Los Angeles was incorporated as a municipality on April 4, 1850, five months before California achieved statehood. The city experienced rapid growth with the discovery of oil.
Gatlinburg filled with smoke from wild fires in the Great Smoky Mountain National Park.
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Called to report of a fire in an occupied dwelling around 9am. We arrived with a crew of 6, to find one house fully involved with the houses on both sides involved as well. As you can see here We dumped our monitor on the middle home while I stretched our bundles for each exposure home. With only one good hydrant in the area being right in front of the scene, our OIC decided to pump off our ladder so that we could use elevated stream for the middle home(which was to far gone to sustain life or make entry) and make an interior attack with hand lines on both exposures. While setting up tower operations our truck would not go into pump and it took several minutes to fix that problem. You will see me make a quick check on the 1st floor of the left side home for any occupants, was radioed outsi...
8-10-2016 Los Angeles Firefighters, Task Force 11, Engine 13 Battalion 11 & 1 first on scene on the 1200 block of South Bonnie Brae in L.A.‘s Pico-Union district had fire and smoke showing throughout a large victorian home that spread to two other craftsman style homes. L.A. Firefighters aggressively advanced hose lines, pulling the ceilings of two homes to get to the seat of the fire. Unfortunately a slight afternoon breeze helped fan the flames throughout the affected attics. Approximately 140 L.A. Firefighters had control of the fire in a little over an hours time. There were reports 41 persons were displaced due to the fire, some escaping from windows, and one dog perished. There were no reported serious injuries although some of the Firefighters battling the blaze did suffer from heat...
2016 04 29 house explosion and fire 173 S Ardmore Ave Koreatown Los Angeles CA author unknown
Tens of thousands of people have been evacuated from their homes in Haifa where fires have been raging. Israel's Prime Minister Benjamin Netanyahu has warned that anyone who may have started the fires deliberately will be “punished severely”.
https://www.youtube.com/watch?v=FMnkmlrJ9GA https://en.wikipedia.org/wiki/Gatlinburg,_Tennessee
TotalBiscuit and Ian from ForgottenWeapons bring you an extensive video on weapons used in World War 1, their characteristics and how they were implemented in Battlefield 1. The footage was shot on location in Las Vegas at http://battlefieldvegas.com. Check out Ian's channel: https://www.youtube.com/user/ForgottenWeapons Footage credits: https://www.youtube.com/channel/UCpwxC34x2CEnAEPW7yTkBHA https://www.youtube.com/user/BrendenPlayz https://www.youtube.com/channel/UCFdVRp-ZcKhA7sXrDMgiAiA https://www.youtube.com/user/Jarekthegamingdragon https://www.youtube.com/channel/UC64BOmLVwhhaOHkUiqk8ObQ https://www.youtube.com/user/Jarekthegamingdragon https://www.youtube.com/user/Chr0mbenz https://www.youtube.com/user/TheWestie4321 https://www.youtube.com/user/ThePwnstar4hire https://www.youtub...
Cartoons for children - Fire trucks for children kids - Fire trucks responding
Baby, Darling, Doll Face, Honey
Now I don't mean to cause you worry
It's only hands in my pocket
And the Queen on my money
Did you know I've been wanting you?
so leave your locks on the latches
If you bring the water, I'll bring the matches
'cause we are fires in the night
We are fires in the night
Let us bathe you in our heart
'cause we are fires in the night
Come on get up Romeo
Don't you know what the time is?
It's the fall of rock 'n roll,
That's what the news said
Did you know I've been wanting you?
so leave your locks on the latches
If you bring the water, I'll bring the matches
'cause we are fires in the night
We are fires in the night
Let us bathe you in our heart
'cause we are fires in the night
we are fires in the night
we are fires in the night
let us bathe you in our life