Water from lakes, rivers and dams is transported to the cities through

1.	Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines. People have noticed that these pipelines often burst in winter when temperatures drop below 4o C. Why do you think this happens?
Answer» Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines. People have noticed that these pipelines often burst in winter when temperatures drop below $4^{o} C$ . Why do you think this happens?

Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines. People have noticed that these pipelines often burst in winter when temperatures drop below 4o C. Why do you think this happens?

Answer»

Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines.

People have noticed that these pipelines often burst in winter when temperatures drop below $4^{o} C$ . Why do you think this happens?