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#361 (permalink) |
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When I asked the question hypothetically, I was thinking by the total elimination of rain forests, wouldnt that increase the CO2 levels in the ozone to dangerous levels?
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#362 (permalink) | |
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#363 (permalink) |
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You misunderstood, I never said that the tree produce the pollution. I stated if there are no trees, then there will be no way to produce the oxgyen. The pollution will take over the world faster if there are no trees. Trees produce the oxgyen.
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#364 (permalink) | |
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Aparecium Deletrius Legil
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yes tree produce oxygen but pollution is not dependent on availability of oxygen. In fact - with no tree and oxygen, there won't be wildfire!
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#365 (permalink) | |
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I'd be more worried about the micro and regional climate responses from a completely denuded rain forest over such a large landscape area rather than worry about CO2 levels. What kind of destruction are you talking about? How? |
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#366 (permalink) |
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Aparecium Deletrius Legil
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Ozone Layer is designed to filter out a dangerous spectrum of sun ray entering Earth
CO2 is designed to serve as a blanket for Earth these 2 are not dependent of each other nor do they affect each other
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#367 (permalink) | ||
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#369 (permalink) | |
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Aparecium Deletrius Legil
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how and why?
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That is what I'm trying to tell you - pollution does not get worsen because of no trees (and no oxygen).
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#371 (permalink) | |||
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The trees feed us the oxgyen, not the cars.
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The only reason why I am discussing about this is that I am fearing if there are no producer for oxygen, then we will not able to surivive. Quote:
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#372 (permalink) | ||
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right....
you implied that with no trees, pollution will get worse. I'm asking you how and why? I've already listed out examples of how our pollution is already worse EVEN WITH trees around. Quote:
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Most people can survive only a couple of minutes without oxygen, and low concentrations of oxygen can cause fatigue and blackouts. To ensure the safety of the crew, the ISS will have redundant supplies of that essential gas. see caption"The primary source of oxygen will be water electrolysis, followed by O2 in a pressurized storage tank," said Jay Perry, an aerospace engineer at NASA's Marshall Space Flight Center working on the Environmental Control and Life Support Systems (ECLSS) project. ECLSS engineers at Marshall, at the Johnson Space Center and elsewhere are developing, improving and testing primary life support systems for the ISS. Most of the station's oxygen will come from a process called "electrolysis," which uses electricity from the ISS solar panels to split water into hydrogen gas and oxygen gas. Left: The ISS's first crew -- Bill Shepherd, Sergei Krikalev and Yuri Gidzenko -- aboard the Space Station. During their four-month stay, the crew will rely on the Station's hardware to provide breathable air. Each molecule of water contains two hydrogen atoms and one oxygen atom. Running a current through water causes these atoms to separate and recombine as gaseous hydrogen (H2) and oxygen (O2). The oxygen that people breathe on Earth also comes from the splitting of water, but it's not a mechanical process. Plants, algae, cyanobacteria and phytoplankton all split water molecules as part of photosynthesis -- the process that converts sunlight, carbon dioxide and water into sugars for food. The hydrogen is used for making sugars, and the oxygen is released into the atmosphere. see caption"Eventually, it would be great if we could use plants to (produce oxygen) for us," said Monsi Roman, chief microbiologist for the ECLSS project at MSFC. "The byproduct of plants doing this for us is food." However, "the chemical-mechanical systems are much more compact, less labor intensive, and more reliable than a plant-based system," Perry noted. "A plant-based life support system design is presently at the basic research and demonstration stage of maturity and there are a myriad of challenges that must be overcome to make it viable." Hydrogen that's leftover from splitting water will be vented into space, at least at first. NASA engineers have left room in the ECLSS hardware racks for a machine that combines the hydrogen with excess carbon dioxide from the air in a chemical reaction that produces water and methane. The water would help replace the water used to make oxygen, and the methane would be vented to space. Right: The oxygen that humans and animals breathe on Earth is produced by plants and other photosynthetic organisms such as algae. "We're looking to close the loop completely, where everything will be (re)used," Roman said. Various uses for the methane are being considered, including expelling it to help provide the thrust necessary to maintain the Space Station's orbit. At present, "all of the venting that goes overboard is designed to be non-propulsive," Perry said. The ISS will also have large tanks of compressed oxygen mounted on the outside of the airlock module. These tanks will be the primary supply of oxygen for the U.S. segment of the ISS until the main life support systems arrive with Node 3 in 2005. After that, the tanks will serve as a backup oxygen supply. subscription image Sign up for EXPRESS SCIENCE NEWS delivery Last week, while the crew were waiting for activation of a water electrolysis machine on the Zvezda Service Module, they breathed oxygen from "perchlorate candles," which produce O2 via chemical reactions inside a metal canister. "You've got a metallic canister with this material (perchlorate) packed inside it," Perry explained. "They shove this canister into a reactor and then pull an igniter pin. Once the reaction starts, it continues to burn until it's all used." Each canister releases enough oxygen for one person for one day. "It's really the same technology that's used in commercial aircraft," he continued. "When the oxygen mask drops down, they say to yank on it, which actuates the igniter pin. That's why you have to give it a tug to begin the flow of oxygen." did you know the astronauts get water from shower, breathing, and urination? we already have technology I do understand you but you are not understanding me. I'm doing my best to explain. Again - if there are no trees, we simply adapt. We will live in underground, bubble, or whatever. Obviously - the world will be different for us but we will not be wiped out. If they can do it in space station, so can we.
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#373 (permalink) | |
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CO2 aka greenhouse gas is the blanket of Earth.
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#374 (permalink) | |||
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I'd rather to have the clouds and rain as blanket than having CO2 as our blanket. |
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#375 (permalink) | ||
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Remember, approximately 3% of the atmosphere contain water vapor while only .038% of of the atmosphere contain CO2. |
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#376 (permalink) | |
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#377 (permalink) | |||
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Quote:
Quote:
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both are important
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#379 (permalink) |
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Oh yeah.
Oh, btw, Jiro. About oil spills? More oil is released naturally from the Earth each year than oil spills in the ocean from human errors and accidents. The basics of earth science - Google Books |
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#380 (permalink) | |
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#382 (permalink) |
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oil spill and cleaning oil tank.... I think we both know which one would cause more damage.
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#383 (permalink) | ||
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Quote:
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#384 (permalink) | ||
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![]() Yup sorry. |
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#385 (permalink) | |
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#386 (permalink) | |
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yes oxygen is here before, during, and after pollution.
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#387 (permalink) | ||
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#388 (permalink) | |
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#390 (permalink) | |
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Again, I point to oil seepage off the coast of California well known for it's oil to wash ashore on a regular basis. About 50 to 70 barrels of oil is seeped out everyday (365 times 50 = 18,250 barrels of oil in one year, which is 9 times as much oil and fuels spilled by the oil industry. This is just from one oil seep. Natural Oil Seepage at Coal Oil Point, Santa Barbara, California -- Allen et al. 170 (3961): 974 -- Science In 2007, the oil industry spilled 2,256 barrels of oil, fuels and chemicals, into the oceans off America’s coasts (every year). Even though natural oil seepage rates are much higher, an estimated 1,700 barrels per day off the coast of North America, Californians are still leery of another Santa Barbara. Offshore drilling safer, but small spills routine | Business | Chron.com - Houston Chronicle 1700 barrels per day times 365 = 620,500 barrels of oil a year from natural oil seepage from the depths of our ocean. |
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