Question

question 7 of 10
which experience led an engineer to invent velcro?
a. finding burrs stuck to his dogs fur
b. watching astronauts in space on tv
c. planting seeds in his flower garden
d. identifying wolves by individual howls

Explanation:

Velcro was invented by George de Mestral. He noticed burrs (with tiny hooks) sticking to his dog's fur (with loops) after a hike. This natural hook - loop mechanism inspired Velcro.

Answer:

A. Finding burrs stuck to his dog's fur