Explain how scale reveals distinctive patterns of migration and settlement of ethnic groups. Then, use regional, state, and urban scales to describe the distribution of African Americans, Hispanics, and Asians in the United States.

Will give brainliest asaapppppppppppp plz im in a major hurry to finish which of these pairs of objects exerts the greatest gravitational force on each other? object 1 and object 3 object 4 and object 3 object 1 and object 4 object 4 and object 2