For each item, choose the answer that correctly sets off the adjective clauses with commas. Some sentences may not need edits. For help with this exercise, see “Commas.”
Kish who runs the organization World Access for the Blind regularly rides his bike down busy streets and goes on long hikes.
Using Commas to Set Off Adjective Clauses - Question 1
His system for “seeing” his surroundings which is known as echolocation uses sound waves to create mental pictures of buildings, cars, trees, and other objects.
Using Commas to Set Off Adjective Clauses - Question 6
They found that Kish’s visual cortex which is the part of the brain that processes visual information was activated during his sessions of mapping with sound.