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.
The correct answer is letter A.
Explanation: The pressure is the least effective because makes people anxious and did not have a good result.
A is the correct answer choice
Own culture is "ethnocentrism"...own standard is "cultural relativism"
im not too quiet sure but I think the answer is b
