Nitrogen Cycle - Assignment Example

Name: University: Course: Tutor: Date: Sustainability and Development Section 1 Question 1 The planet is currently being overburdened by human consumption.... This probably happens due to the fact that most people, and most societies have not been sensitized enough to be able to start living in a sustainable manner....

Nitrogen is lost from the grass when animals consume the grass and later release their waste in form of ammonia, which ensures the Nitrogen Cycle continues.... Alongside the Nitrogen Cycle there is need to reflect on the importance of the carbon cycle in survival of the grassland vegetation.... This cycle is continuous and enables the existence of the grassland.... The atmosphere recovers this carbon after microbial decomposition, through fossil fuel, and through respiration and the cycle continues....

Within each testis are approximately 250 lobules.... Short efferent ducts exit the testes.... Interstitial cells, which produce male sex hormones, are located between the seminiferous tubules within a… Sperm cells pass through a series of ducts to reach the outside of the body.... After they leave the testes, the sperm passes through the epididymis, ductus deferens, ejaculatory duct, and urethra (Young et al, 2000). The male copulatory organ, the The penis consists of three columns of erectile tissue wrapped in connective tissue covered with skin....

Bacteria have been often termed as being the primitive beings and are said to help with the Nitrogen Cycle.... Bacteria are organisms that are single celled and hence cannot be seen with the naked eye, the live in and around all of us and can be helpful but in many other cases they can cause illness people some of the common illnesses cause by Bacteria are ear infections, strep throat… Bacteria are known to live in water or in all types of dirt also in water and also to live with in humans and animals where they can grow and spread....

During the Nitrogen Cycle, nitrogen in the air present in the form of… The process of nitrogen fixation involves nitrogen fixing bacteria found in the roots of certain plants and these bacteria are able to convert atmospheric nitrogen into organic molecules and proteins This nitrogen then travels to animals and humans when the plants are eaten, and is excreted as urine, which contains ammonia.... Human beings have interfered with the natural progress of the Nitrogen Cycle by dumping large amounts of untreated sewage into water bodies, which when coupled with the urban runoff has produced an overload of nitrogen in aquatic systems....

esign opportunities and challenges for the futureChapter 3 shows the opportunities and challenges that the engineering design process has, which include making solar power economical, managing the Nitrogen Cycle and advance healthcare informatics among others.... The process is open throughout the product life cycle....

uestion 2 According to Chih, Rankin cycle is thermodynamic cycle which converts heat from steam into work.... This completes the cycle.... Rankin cycle can be analyzed as steady flow process.... At state 2, water enters as compressed liquid and leave as superheated at state Question According to Rao (2004), combustion between fuel and air result in carbon dioxide, water and nitrogen) ....

Other processes like photolysis of nitrogen dioxide and water also contribute in producing oxygen.... Oxygen is consumed as the result of respiration process that enables a living being to produce energy by breaking the food for its energy content.... This energy is further utilized to perform every day tasks....