Answer:
One of the best-preserved records of these events is in the bottom of the Grand Canyon—in a package of sedimentary strata known as the Tonto Group.
Explanation:
Answer:
Skamania County is located on the North American Plate, just like the rest of the state of Washington. The plate immediately to the front is the Juan de Fuca Plate, which runs alongside the coast of Washington.
In fact, most of the United States is located on the North American tectonic plate, including Alaska. Only Western California is located on another plate: The Pacific Plate, whose boundary with the North American Plate is the famous San Andreas Fault.
<span>Its certainly Lima, Peru.</span>
Answer:
Mountains isolated many groups that migrated to the region. Dense forest served as a barrier to migration across the region. Vast plains facilitated the migration of people across the region.
Explanation:
CORRECT
Answer:
The K-T extinction event is the global mass extinction that has taken place about some 65 million years back due to the asteroidal impact. This mass extinction event has wiped almost 75% of the plants and animal species from the earth's surface. The dinosaurs were extinct and very animal species have survived and undergone evolution in due course of time.|
The Cenozoic era started after the K-T mass extinction event, i.e from about 65 million years to the present.
Thus, the Cenozoic era is also known as the age of mammals because mammal were more abundant and diverse then. Many flowering plants evolved during this time and the earth experienced global cooling.
