The small intestine i think :) hope that helps
Answer:
Extinction event or sometimes known as Mass extinction
Explanation:
These events typically are typically widespread and rapid decrease in the biodiversity (which takes into account spread and existence of current species). The worst mass extinction was Permian–Triassic extinction where over 90% of species of organisms vanished.
Air fresher containing cfc's
garbage trucks
spilled gas
thats all i got
a scale-model mound made of the same materials that make the real hill