The need of vitamin C

            

 

          It is reported that vitamin C has several significant effects on human's health. First, balancing free radicals to help fightsing cell and tissue destruction. Second, helping the body resists infection in case of sickness, Moreover, helping both the expectant mother and baby stay healthy for nine months. Finally, forming collagen that gives structure to bones, cartilage, muscle and blood vessels (Hareyan: 2005: 1).

Reference:

        Hareyan,A.(2005). Why do we need vitamin C?[Online].Available:
                    http://www.emaxhealth.com/76/1144.html[15 January, 2012].

Climate Change

            There are several causes and effects of the climate change that people need to comprehend. Firstly, the rising temperatures lead to changes in many aspects of weather. Secondly, melting ice and glaciers that are led to a rising sea levels. Finally, changing of the climate influence health and well-being of people (Congondis, 2011: 1-5).

Reference:
            Congondis, D. (2011). Fact about Climate change. [Online]. Available:

                        http://www.thegreatwarming.com/pdf/ClimateChangeFactsheet.pdf. 

                        [2011, August 28].

Computers under Attack

            It is said that computer viruses that cause troubles for any users can be classified into three types. The first type is a Trojan Horse, it is designed to take credit card details or bank - secret word. The second type is a Spyware, it conceals inside a computer to gather data of computer’s owner’s . The final type is a Spam, it is unwanted advertising that some people use it to cheat other people and to take money from them (Philpot, 2011: 47).

Reference:
Philpot, S. (2011). “Computers under Attack.” Academic Skills. Oxford: Spain

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