Respuesta :
The correct answer is A. because of photosynthesis Photosynthesis is a process used by plants and other organisms to convert light energy, normally from the Sun, into chemical energy that can be later released to fuel the organisms' activities (energy transformation).
The answer would be B. all wastes are usually decomposed by the ground or eaten by flies or maggots. They can also turn into fossil fuels over Millions of years. hope this helped