Answer:
Heat is produced.
Explanation:
Law of conversation of energy and mass these can't be created or destroyed, but can be converted to another form. The fuel/chemical energy is being converted into heat.
A I think sorry if I’m wrong
Plants<span> respire all the time </span>because<span> their cells need the energy to stay alive, </span>but plants can<span> </span>only<span> photosynthesize when they are in the light</span>