They use fossils and the Earth's layers to help them which is also an example of geological time. The layers tell them the history by how deep they are along with the fossils. Since the lowest layers, for example, are the oldest, scientists use this to determine Earth's age and history.
The amount of energy that is transferred from a primary consumer would be 10 percent.
Loss of land, loss of natural or renewable resources, animal population went down
Answer:
<h2>ahhh di ko gets hehe thanks</h2>
<h3>ll</h3>
