I think it is b
<span>Amphibia, Reptilia, Aves, and Mammalia</span>
Both breathe air. Both can be herbivores, omnivores, or carnivores. Both are warm blooded. Both are animals. Both have an interior skeleton. Both have four limbs. Both have two eyes. Both have large central nervous systems.
Carbon-based macro molecules are found in all life forms.
The things that you throw away are buried in the ground. They are buried in something known as a 'landfill'. These are very deep holes which hold A LOT of trash. The problem is, there are only a few locations left in most western countries which actually have space to hold all of the waste people are generating.