Answer:
Biostratigrasphy.
Explanation:
<em>Biostratigraphy </em>is the method that is used to provide an estimate of age for this layer and this species. Biostratigraphy is a branch of stratigraphy. It focuses on assigning relative ages to rocks to similar stratigraphic layers that may be located hundreds of kilometers away by using the fossils contained in the stratus.
Answer:
Federalism
Power is first divided between the national, or federal government, and the state and local government under a system known as Federalism. At the federal level, the Constitution again divides power between the three major branches of our federal government—the legislative, the executive, and the judicial.
Explanation:
Weathering erosion if u need anything else dm me
According to studies conducted in 2005 and 2010, approximately 65 percent of adults in the United States reported experiencing obsessions or compulsions at some point in their lives, but only 4 percent of them went on to be diagnosed obsessive-compulsive disorder.
