This is the differential weathering.
Weathering is in general the phenomenon of rock disintegration and if different rocks disintegrate at different pace then it is differential.
Crime control through due process, I believe.
Answer: Political scientist
Explanation:
Political scientist is the person who studies beginning, development, trend and function of any political system as a finding or research.This study is based on studying political regulation, operations, government policies,political history etc.
According to the question, David should contact political scientist for gaining information about highest expected age-group to vote in election as per their analyzation and study of political system or field and trend.
Answer:
That he always try hard and sometimes also learns from his mistake
I believe the answer is: A social movement.
A social movement refers to a form of organized effort that aimed to address a specific social or political issues.
In general, these movement usually an effort to alleviate the suffering from a suppressed group that receive unfair treatment from the majorities.
