Computer under Attack

       There are three categories of virus causing problem for any computer users. First of all, a Trojan Horse. It is created to obtain credit card details or bank password. Another one, a Spyware. It gathers data of the computer's owner. Finally, a Spam. It cheats people and gets money from them. (Philpot,2011:p.47)

Reference:

Philpot,S.(2011).Academic Skills.Oxford:Spain

Climate Change

           There are various causes and results of climate change on health. First, extending temperature will precede to vary aspects of climate. Second, various components including melting ice and glaciers could arise the worldwide sea level. Finally, fluctuant of climate change could effect health and living.(Congonidis,2011:1-5)

Reference:

Congonidis,D.(2011).Fact about Climate change.(2011).[Online].Available:

       http://www.thegreatwarming.com/pdf/ClimateChangeFactSheet.pdf). [2011,August 28]

Why do we need vitamin C?

       Vitamin C has various significant results on health. First, it is one of the most forceful antioxidants. Second, it supports the body for anti-infection. Third, it is necessary for tissue restoring, wound and bone treating, and maintaining health skin. Finally, it is significant in forming collagen that constructs bones, cartilage, muscle and vessels. (EmaxHealth ,2012:2)

Reference:

EmaxHealth (2012 ).Why do we need vitamin C?.Available:     http://www.emaxhealth.com/76/1144.html. [2012,September 14]