Commonalities used to group languages together include a. origins, sounds, and words b. sounds, dialects, and accents c. letters, vowels, and body language d. signing, spoken, and written similaritie

Doing the text now can someone me

Why was frederick douglass encouraged by the dred scott decision?

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.