The Need of Vitamin C

          It is reported that vitamin C has many effects that supports on the health of people.  Vitamin C neutralizes free radicals to fight cell and tissue harm, helping the body attacks infection, cementing new cells of the expectant mother and baby, mending inner-body destruction, and producing collagen for the body (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 many causes and effects of the climate change. Firstly, the cause of changing in many features of weather are caused by increasing temperatures. Secondly, higher sea levels due to melting ice and large mass of ice. Finally, health and good living are resulted by climatic change (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

Virus can be classified into three kinds; Trojan Horse,  Spyware, and Spam. The first kind is created to take credit card details or bank password is a Trojan Horse. The next virus type that compiles data of the computer’s owners is a Spyware. The last one that can be applied to deceive people and to get money from them is a Spam (Philpot, 2011: 47).

Reference:                                                                                           

           Philpot, S. (2011). “Computers under Attack.”       

                   Academic Skills. Oxford: Spain