Final answer:
Plastic has the highest BTU content when burned compared to glass and organic materials.
Explanation:
When burned, the item in garbage with the highest BTU content is typically plastic. Plastics have a high calorific value, meaning they release a significant amount of energy when burned. In contrast, glass and organic materials like banana peels have much lower BTU content.
Learn more about BTU content of materials in garbage here:
https://brainly.com/question/40021122
