Light energy is trapped by a green chemical called chlorophyll. In photosynthesis, light energy is converted into chemical energy. When animals and plants respire, the chemical energy in glucose can be converted into other forms of energy e.g. kinetic energy.
McAfee is a very reliable antivirus program giving protection from antivirus and other infections to the users since past three decades. It is very effective in fighting new real time threats a dependable software for protecting your system however sometimes users face virus threats in spite of having McAfee installed.
1 Install activation code is case insensitive.  How to Install McAfee with Activation Code: If you have purchased McAfee retail card from store then you have received a paper card printed with McAfee activation code also called as McAfee product key . This paper card we refer as McAfee retail card . If you have purchased McAfee from online store then you have received McAfee activation code only.