Kungani amaqabunga ezitshalo eluhlaza?
Ngokuvamile, amaqabunga ezitshalo aluhlaza ngoba aqukethe i - chlorophyll, okuyinhlanganisela engokwemvelo esiza isitshalo ukuba samukele amandla okukhanya.  Nokho, amaqabunga awahlali eluhlaza - ezinye izitshalo ngokwemvelo zinamaqabunga apinki noma anombala osawolintshi, futhi izitshalo eziningi nazo zishintsha umbala wamaqabunga ngokuya ngezinkathi zonyaka.