The inflation theory is your answer!
Answer:
For the certain postion of it?
Explanation:
A)......they were introduced for biological control in waste treatment facilities and ponds but then they got out due to a major flood into the waterways and took over everything becoming the dominant species
The Earth has an outer solid layer called the crust, a highly viscous layer called the mantle, a liquid layer that is the outer part of the core, called the outer core, and a solid center called the inner core. ... The crust is the outermost layer of the Earth. It is made of solid rocks.
Dinosaurs. I do not know the specific one, but the animals that dominated the Mesozoic era was dinosaurs.