Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Discover detailed solutions to your questions from a wide network of experts on our comprehensive Q&A platform. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

Which was not a source of urban pollution in the late 1800s? A. coal-powered factories B. horse-drawn transportation C. hydroelectric power plants D. overcrowded slums