The Need of Vitamin C

Vitamin C has several important effects on health. First of all, vitamin C is one of the most effectual an antioxidants as it balances free radicals to help fight sell and tissue. In addition, it helps the body resist infection. Moreover, it helps both the expectant mother and infant stay healthy for nine months. Furthermore, it helps inner-body recondition. Finally, it produces collagen that provides 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

It is said that there are several causes and effects of climatic change that people have to understand. Firstly, increasing temperatures cause fluctuations in many features of weather. Secondly, rising sea level is resulted by melting ice and large mass of ice. Thirdly, changing of the climate negatively influences condition and healthiness 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 there are three types of the computer virus; Trojan Horse, Spyware, and Spam. A Trojan Horse takes credit card details or bank passwords. A Spyware  gathers information in a computer. A Spam is used to fool people and to get money from them (Philpot, 2011: 47).

Reference:

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