Answer:
Choropleth Map
This is used to show population density in countries of the world specifically with its color variation used to show the differences in population within that region.
The answer is life. It is because operant conditioning is used everyday on young children's life as this enables them to behave in a way their behavior is being shaped and controlled as show reinforcements such as positive or negative in terms of behavior-- this is needed, in order for a child to know where his or her behavior stands and the consequences it leads to.
D. filling important government positions with party supporters
