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.
McAfee Security Scan is a free tool that automatically checks and reports if your PC is protected. Your PC's security status is determined by the state of your anti-virus and firewall protection. Your security software may be switched off or become out of date without you realizing.