The need of Vitamin C

           Vitamin C affects people's conditions in several reasons. First of all, it neutralizes free radicals to assist cell and tissue harm, and it also aids the body for having no infection in case of illness. Besides, it is necessary for both the expectant mother and baby stay healthy for nine months.  Moreover, it is necessary for inner- body mended. Finally, it forms collagen for the body (Hareyan, 2005:1).

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

           [15 January, 2012].

Climate Change

          There are many causes and effects of climate change that must be aware. Firstly, changing of the weather is caused by increasing temperatures. Secondly, the melting ice and glaciers are resulted in rising sea levels all around the world. Thirdly, changing of climate also redounds good conditions and welfare 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 seems that three kinds of computer virus are designed to cause  problems. They are Trojan Horse, Spyware, and Spam. A Trojan Horse is a computer program designed for taking credit card item. A Spyware saves detail of the owner’s computer. A Spam is unwanted advertisement, and it was used to hoax people and to take money from them (Philpot, 2011:47).

References: 

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

                    Oxford: Spain