G00gle classroom code - plsb4zi

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What is the purpose of the outer ear? a. to convert mechanical waves into electrical waves b. to evaluate the quality of sound c. to convert sound waves into mechanical waves d. to collect and focus sound waves

Ablind girl lost her pencil, book and what did she lose first? (this is really good for people who don't have an adequate amount of points! )

Type the correct answer in the box. spell all words correctly. what did german psychologists develop in the 1920s to describe how people tend to organize visual elements into groups? describe how people tend to organize visual elements into groups, or unified wholes, when applying certain principles.