According to the law of conservation of matter, once trash decomposes in a landfill we have completely gotten rid of the matter which made up the trash.

Question

Quizplus · Accepted Answer

The law of conservation of matter states that matter cannot be created or destroyed, only transformed or transferred. This means that even after trash decomposes in a landfill, the matter still exists in a different form, such as methane gas or leachate. Therefore, we have not completely gotten rid of the matter which made up the trash.

According to the Law of Conservation of Matter, Once Trash