When 90-year-old Grace looked at her old wedding pictures, she was flooded with vivid memories of her husband and the early years of her marriage. The pictures served as powerful encoding devices
iconic memories
memory devices
automatic processing devices
retrieval cues\

The valve seat performs two functions: it provides a seal for the valve in the combustion chamber, and it provides a cool surface to carry heat away from the valve. most valves use a seating angle.

How was the structure of american society different in 1848 than it has been in 1800

What happens when two galaxies approach each other? a. they form a black hole. b. they merge because of the strong gravitational pull they exert on each other. c. they shred each other into smaller galaxies. d. they form a supernova. e. they repel each other away because of their strong gravitational pull.