The Need of Vitamin C

               Vitamin C has several important effects on health. First of all, vitamin C neutralizes free radicals to help fight cell, tissue damage, and it is one of the most effectual antioxidants. In addition, it helps the body fight contagion in case of illness. It also helps both expectant mother and baby stay healthy for nine months. Finally, it is essential for inner-body mended, and it is involved in forming collagen for the body (Hareyan, 2005: 1).

Reference:

            Hareyan, A.(2005).Why do we need vitamin C?  [Online]. Available:                                                  http://www.emaxhealth.com/76/114.html  [15 January , 2012].

Climate Change

            There are several causes and effects of the climate change people have to realize. The first cause  is intensifying temperature that cause changing in many aspects of weather. The second cause is a melting ice and glaciers that are led to rising sea levels. The last cause is a changing of climate. It has negative results in health and well-being 

(Congondis, 2011: 1-5).

Reference:
          Congondis, D.  (2011).  Fact about Climate change.  [Online]. Available:          
                   http://www.thegreatwarming.com/pdf/ClimateChangeFactsheet.pdf.  
                   [2011, August 28].

Computer under Attack

            It is said that the computer virus that can be troublesome for any users are classified into three types. The first type of virus is a Trojan Horse that takes credit card details or bank-secret word. The second type is a Spyware, it conceals within the computer and catches information of the computer owners. The last dangerous virus type is a Spam, it is undesirable advertising which some people use to cheat another people and to take money from them (Philpot, 2011: 47).

Reference :

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