ASSIGNMENT 1 KHANH NGUYEN 1001974 THE NATURAL CARBON CYCLE Carbon dioxide (CO2) is one of the biogeochemical cycles which the fourth most common elements on Earth. It is also a basis of all life and continually cycled and globally existed. Carbon dioxide is obtained from various sources‚ including emissions from volcanoes or industries and combustion products of organic compounds and the respiratory activity of living organisms. Carbon dioxide not only going into the atmosphere through the burning
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Carbon dioxide is the main pollutant that warms our planet Earth. Living things produce carbon dioxide when they breathe. However‚ carbon dioxide is considered to be a harmful pollutant when linked with any vehicle‚ trains‚ power plants‚ as well as other various human activities that involve burning fossil fuels such as gasoline and natural gas. Studies have shown that In the past 150 years‚ such activities have released enough carbon dioxide into the atmosphere to raise its levels higher than they
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Crystal Lewis 9/21/10 Period 1 Carbon Dioxide Carbon Dioxide is the infrastructure of all life on earth. Every human being and animal needs it to survive‚ making it an essential compound. In order to survive‚ humans and animals must give off carbon dioxide to take in oxygen‚ whereas plants must take in the compound and give off oxygen. Carbon Dioxide has numerous unique characteristics‚ properties‚ and safety measures that everyone should be aware of. Being aware of this compound and what it
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Carbon Dioxide is a colorless‚ odorless gas that occurs in small quantities in the earth’s atmosphere naturally. The earth’s ocean‚ soil‚ plants and animals release CO2. The formula of Carbon Dioxide is CO2. The CO2 molecule contains 2 oxygen atoms that each share 2 electrons with a carbon atom to form 2 carbon - oxygen double bonds. The atoms are arranged as so (OHT). This is called a ’linear molecule’. Carbon dioxide is commonly found as a gas and is never a liquid. It sublimes to
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Carbon Dioxide from Cars U.S. states are beginning to attack another major source of global warming pollution besides power plants: your car. David Biello reports Cars in California offer a new kind of sticker shock this year: carbon. In addition to the familiar smog ratings‚ labels on new Cali cars rank them 1 to 10 based on greenhouse gas emissions. The best‚ a perfect 10‚ will emit less than 200 grams of greenhouse gases per mile. The bad ones more than 520. Vermont will also begin offering
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Carbon dioxide is both a vital requirement for producers – the first organisms in any food chain‚ and at times a dangerous waste product. Where plants use carbon dioxide during the Calvin cycle of photosynthesis‚ at night they also produce small quantities due to respiration. Fundamentally‚ carbon dioxide reacts with ribulose bisphosphate to produce glycerate 3-phosphate in the light independent reaction. In turn glycerate3-phosphate is reduced to triose phosphate using reduced NADP
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primarily from the sun. It generally enters the system through photosynthesis‚ a process that also captures carbon from the atmosphere. By feeding on plants and on one another‚ animals play an important role in the movement of matter and energy through the system. They also influence the quantity of plant and microbial biomass present. By breaking down dead organic matter‚ decomposers release carbon back to the atmosphere and facilitate nutrient cycling by converting nutrients stored in dead biomass back
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of aquatic organisms from major changes in pH. In low alkalinity waters‚ where CO2 and dissolved carbonates are at low concentrations‚ photosynthesis may be inhibited‚ thus restricting phytoplankton growth. Levels above 175 mg CaCO3/L reduces natural food production in ponds which‚ in turn‚ leads to a decrease in optimal production. Salt water is slightly alkaline and has a strong buffering capacity so alkalinity is not usually of concern for most seawater and brackish water aquaculturists. 2
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and carbon dioxide in the blood.___ ___ ___ Describe what happened to the pH and the carbon dioxide levels with hyperventilation. How well did the results compare with your prediction? ___ ___ ___ Explain how returning to normal breathing after hyperventilation differed from hyperventilation without returning to normal breathing. ___ ___ ___ Describe some possible causes of respiratory alkalosis. ___ ___ ___ Activity 2 Rebreathing Describe what happened to the pH and the carbon dioxide
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became aware that one of its competitors‚ TrendBaby‚ Inc.‚ was soliciting information from one of Dracca’s employees‚ Bob Shumaster. Shumaster was apparently detailing product assembly information that was unique to Dracca and explaining to TrendBaby how this assembly strategy saved Dracca thousands of dollars each month. Dracca discovered that TrendBaby actually hired Shumaster to provide this information‚ and that Shumaster was using Dracca company computers to relay the proprietary information to
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