Question

choose the phrase from the text that best supports the idea that engineers design water systems to work even if a water main breaks.
a cold water is pumped through coils
b looped together in a grid pattern
c coagulants are mixed into the water
d hold up under the pressure caused by soil

Explanation:

If a water main breaks, a grid - patterned looped system (Option B) allows water to reroute through other connected pipes. Options A, C, and D do not relate to system redundancy in case of a break.

Answer:

B. looped together in a grid pattern