Homer Sharpens a Rock and Uses It to Shave

question 7

Multiple Choice

Homer sharpens a rock and uses it to shave.Schick adds a handle to the rock for better grip.Gillette then changes the rock to a titanium blade for durability.The progression of improvements made to the shaving utensil is an example of

• A)cultural adaptation.
• B)emulative learning.
• C)eureka effect.
• D)cultural bootstrapping.
• E)ratchet effect.