The Need of Vitamin C

    It is reported that vitamin C has several significant effects on human's health.First of all, neutralizing free radicals to help fighting cell and tissue destruction. In addition, helping the body resist infection in case of unhealthiness. Furthermore, helping for both expectant mother and infant to stay healthy for nine months. Moreover, helping inner-body recondition. Finally, forming collagen which provides structures 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 three causes and effects of climate change people have to comprehend. Rising temperatures are led to fluctuation of weather, dissolving ice and glaciers cause increasing of the sea level, and changing of climate resulted in problems of health and happiness (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 virus that can cause problems for any users. A Trojan Horse is arranged to take credit card data or bank- secret word. A Spyware is disguised in a computer, it keeps information about the computer’s owner. A Spam is undesirable mail and hoax to get money from people (Philpot, 2011:47). 

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