Earths History/Structure

When looking for relative age, which of the following do geologist use?

What is the oceanic crust made out of?

Flowering plants began to emerge during. . .

True or false: The inner core is a liquid.

Which era did the ice age occur?

What era did water life start moving onto land?

States that the processes that we observe today have been at work for a very long time

What are the sections of the earth's mantle in the correct order?

What two layers make up the lithosphere?

What does a geologist study?

Which layer is the densest layer?

The amount of time necessary to decay one element into another

Closer to the core (if possible), what would happen to the temperature and pressure?

Which layer is the largest layer of the earth's layers?

When did pangea form?

Out of the three sections of the mantle, which is the strongest layer?

What is the continental crust made out of?

What era is almost 90% of earths history?

Which layer is the least dense?

Which era did dinosaurs exist in?

In order to find the absolute age of a rock, what method do you use?

Which era did only single-celled life occur?

What two forces shape earth's surface?

Pangea began to break up during what era?

Which is NOT one of the three aspects of index fossils?

What is the era of the humans?

When you use relative age for rocks what is the order?

True or false: The outer core is a liquid.

Fish emerged in what era?