Pesticides, they were feeding off they plants
Explanation:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
For an entomological evidence to be used for an investigation, it is important to preserve the body appropriately because insect clues are used to analyze a death scene. Entomologists use records as to when the body was found, the cause of death and other factors. By freezing or wrapping the body with affect the evidence itself and will show an inaccurate result.