Which of the following is not a reason why fires were a major hazard for early cities? a. buildings were overcrowded and built close together. b. structures were built with flammable materials, including wooden or thatched roofs. c. cities lacked proper sanitation and efficient plumbing. d. cities had little planning or readiness and lacked modern fire departments.

I think the correct answer would be C. The statement " Cities lacked proper sanitation and efficient plumbing." is not a reason for fires being a major hazard in early cities. The  statement itself is not related to fire or causing the occurrence of a fire. It is more related to health and supply of water.

Explanation:

i took the test ;p

its i think c because its the lowering cloud