human geography is manufactured items and how things are produced using humans help and physical geography is the creation of envoirment and natural production.
Human georgraphy is the study of how humans have affected and been affected by the environment and why civilizations are where they are. It talks about culture, arithmetic density, migration, population, etc. Physical geography, however, is the study of the physical characteristics of Earth (minus the human aspect), such as mountains, oceans, rivers, etc.