The mode of conveying liquids and gases through an underground channel is
Answer Details
The mode of conveying liquids and gases through an underground channel is called a pipeline. Pipelines are used to transport various substances, such as oil, gas, water, and sewage, over long distances. They are typically made of metal or plastic, and are buried underground to protect them from damage and to minimize the impact on the environment. Pipelines are an efficient and cost-effective way to transport large quantities of liquids and gases over long distances.