Answer:
Researchers initially built up the geologic time scale by considering rock layers and record fossils around the world. With this data, researchers put in Earth's stone layers in request by relative age. Afterward, radioactive dating decided the supreme age of the divisions in the geologic time scale.
The bear population would also increase
They return nutrients from waste or dead organisms back into the ecosystem to be recycled.
The population doesn’t grow(increase) anymore and the number of organisms stay at about that point(the carrying capacity).
The green house effect is a natural process that warms the Earth surface.
((Carbon dioxide))
