Differing physical forces is the correct answer :)
Answer: It refers to the decline in travel time between geographical locations as a result of transportation, communication, and related technological and social innovations.
Explanation:
Chronology is defined as a sequential order of events.
I’m pretty sure the answer is D
For example, humans use their incisors and canines for ripping and cutting, and their molars and premolars for grinding. ... Rodents are famous for their long, continuously growing incisors, which they use to chew through husks, shells and wood.