When studying migration, high levels of crime, violence, and pollution are examples of
A. forced migration,
B. pull factors.
c. chain migration,
D. push factors.

What is the difference between external & internal migration

Which features do all new rocks formed near oceanic ridge share? pillow shaped stripes pattern provide evidence to seafloor spreading made from molten material iron oriented in same direction

What must happen for new french words to be published in official dictionaries? a. they must be approved by the french academy b. they must be voted on by the people of france c. they must be used by famous french writers d. they must be used by philosophers a. they must be approved by the french academy