Answer:
Almost two in five (37%) people in the United States believe that the American Dream is less attainable today than it was for previous generations. Fewer (29%) believe it's more attainable today than it was for prior generations, while 16 percent say it's no more or less attainable now.
All of them except katrina helps her brother who is six years old with his homework is essential
The answer should be "slow" the first pairing both end in "-est" making them superlatives giving a parallel in the structure. Following the same structure, the words from the pairing after can be ignored, the word dim is an adjective, "light" bulb is a noun, therefore, it is not a parallel structure.
