Question

1. which type of heating system is often used to heat many buildings from a central location? (1 point)

○ steam
○ hot-water
○ electric

Explanation:

A steam heating system is commonly used for central heating of multiple buildings. Steam can be generated at a central plant and distributed through pipes to various buildings, where it releases heat and condenses back to water (which can be returned to the central plant). Hot - water systems are more common in single - building or smaller - scale central heating, and electric heating is usually for individual spaces or smaller buildings rather than central heating for many buildings.

Answer:

A. steam