When Gutter Shields Were Developed,they Replaced Gutter Cleaning Services Hired

question 27

Multiple Choice

When gutter shields were developed,they replaced gutter cleaning services hired by homeowners to keep leaves and debris out of their gutters.In other words,the same need was met by an entirely new technology.This is an example of a(n) _____ technology.

• A) complementary
• B) component
• C) discontinuous
• D) incremental