The retina is to the eye as the __ is to the ear

(psychology) i basically have to make a mnemonic device for a vocab term from the lesson, the word i chose was anterograde amnesia ( loss of memory from the point of injury or trauma forward, or the inability to form new long-term memories.) i'm not that creative and my brain feels dead so plzzz if you could i'd be sooo !

Which group’s rights—human participants or nonhuman animals—are the most important to protect? why? not really a right or wrong answer, but give a detailed explanation

Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor