When Gutter Shields Were Developed,they Replaced Gutter Cleaning Services for Homeowners

Multiple Choice

When gutter shields were developed,they replaced gutter cleaning services for homeowners wishing 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) logical extension
C) discontinuous
D) incremental