dispersed into space. Greenhouse effect is the problem of gradual rise of gases such as carbon dioxide in the air surrounding the earth which traps the heat if the sun. Greenhouse gases are any of the gases that are thought to cause green house effect. Carbon dioxide is the main green house gas. The gas contributes over 50% of green house effect. The following are some of the sources of carbon dioxide in the environment or the atmosphere. The main human activities that contribute
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Part 1 of 6 - 21.0/ 21.0 Points Question 1 of 32 3.0/ 3.0 Points The anatomical term for navel is A.crural. B.femoral. C.inguinal. D.umbilical. E.coxal. Feedback: Good job! Question 2 of 32 3.0/ 3.0 Points The science dealing with body functions is called A.biology B.anatomy C.physiology D.histology E.cytology Feedback: Good job! Question 3 of 32 3.0/ 3.0 Points Which of the following structures of a feedback system sends input to the control
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1) carbon dioxide 2) Living organisms like plants‚ animals and decomposertake oxygen from the atmosphere and utiliseit for respiration. 3) Nitrogen fixation 4) Biosphere is the regions of surface atmosphere occupied by living organisms sustainsble ecosystem ecosystem is one that can survive and thrive without humans having to continually add or take out of the ecosystem. 5) When animals breathe they produce carbon dioxide and you get it when you eat a plant. 6) We use carbin dioxide to control
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experiment‚ we measured the mass of 4 gasses; oxygen‚ carbon dioxide‚ helium‚ and lab gas. We took a Ziplock bag‚ and turned into a non-stretchy balloon‚ and filled with each gas and measured the apparent mass then calculated the actual mass‚ then find a ratio between the mass of oxygen and the other gasses. We tried to keep the pressure about the same each time so our calculations would be more accurate. We found out that the heaviest was carbon dioxide‚ and the lightest was helium. In fact‚ helium and
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The Enhanced Greenhouse Effect For the past ten thousand years the earth’s climate has been extremely good and beneficial to mankind. Today however ‚ major changes are taking place. Humans beings are changing the face of the entire planet by destroying the rain forests and pumping our pollutants into the air and water. Some of these gases are very toxic and they are destroying our ozone layers which allows life to exist on earth These things are changing the make-up of the earth’s biosphere
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Aerobic respiration provides the energy required by all living organisms to function normally‚ as muscle movement and certain cell reactions are reliant on energy the transport of oxygen to the cells of tissues and organs by blood vessels is vital for respiration to occur. Oxygen is carried in red blood cells by the pigment haemoglobin‚ a globular protein consisting of four polypeptide chains. Both of these components of blood are structured specifically to carry out their functions of oxygen transport
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air from escaping. The warmed structures and plants inside the greenhouse re-radiate some of their thermal energy as glass is partly opaque causing convection due to energy trapped inside the glasshouse. The blanket layer of gases in particular carbon dioxide traps much heat and prevents it from escaping back into space as radiation. Mother Earth is gradually warmer as air is trapped as created by the ‘greenhouse effect’. The air that is warmed near the ground is prevented from rising and flowing away
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of many debates was whether or not the climate actually was changing‚ but now‚ science has evidence and proven that the climate certainly has been changing. The changes are primarily a result of the emissions of greenhouse gases‚ in particular carbon dioxide‚ and experts claim that a number of human activities are the reason for the emissions. The exact consequences of global warming are still unknown‚ but the question is no longer what will happen‚ the question is “How do we solve this problem?”
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discovery of plausible pathways for the transition from complex prebiotic chemistry to simple biology‚ defined as the emergence of chemical assemblies capable of Darwinian evolution. A coherent pathway which starts from no more than rocks‚ water and carbon dioxide and leads to the emergence of the strange bioenergetics properties of living cells has been traced back to what is now called as Protocells. A Protocell is found to be the first form of a cell before true cells arose. They have a lipid protein
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38 ATPs c. What reactants of ATP must be available in the cell in order to produce ATP? O2 d. Brainstorm several cellular processes for which energy or ATP is necessary. Oxidization Glucose‚ or any carbon-based molecule‚ can be burned in oxygen (oxidized) to produce carbon dioxide and water. Combustion reactions release large amounts of energy. However‚ the energy release is uncontrolled. An organism would not be able to handle all that energy at once to do the work of the cell. Cellular
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