The correct answer is the first one. Plantation shutters are made of wood, and the other window treatments are made of softer material such as fabric.
Limb was trying to understand what was happening in the brain while he was using the instinctual thought process in his own brain.After studying other musicians he was able to show that the area of the brain that is connected to observation and self-monitoring is the activated when musicians are using their brain to contrive.
Hope this helpss
I’m like 99.8% sure it’s D because they design for commercial reasons (it’s in the name) and all three of those would be sold either as products or as packaging
