A researcher conducts an experiment to find out how many people experience "brain freeze" after eating a cold dessert. One group of people is given ice cream cones to eat, and the other group is given pie to eat. Which group is the experimental group?
a) people who are given ice cream to eat
b) people who are given pie to eat
c) both groups are experimental groups

What caused the settlement of more african americans in the mississippi alluvial plain region then in the ozark mountains region?

Neighborhood and community characteristics: the social ecology approach emphasizes the view that certain social and physical characteristics of neighborhoods and communities influence the likelihood of committing deviance and crime. imagine that you are in a position as a community leader. there are several neighborhoods in your community with: high poverty rates low quality housing single parent households which issue would you address first, and what strategies would you propose to address this issue?

How did ellis island and angel island play a significant role in the late 1800s