The men made another discovery on a nearby beach: a large and challenging system of drains, platforms, and pipes that kept the ocean water flowing into the pits.

Which of these best explains the meaning of the phrase "challenging system"?

A. a design with many parts
B. a group of large machines
C. a collection with odd pieces
D. a collection of new equipment



Answer :

Final answer:

A challenging system involves a design with interconnected components that pose difficulties, requiring careful planning and engineering.


Explanation:

A challenging system refers to a design with many interconnected parts that pose difficulties in operation or understanding. In the context of the drains, platforms, and pipes on the beach, this complex system required careful planning and engineering to keep the ocean water flowing smoothly.


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