Correct option is B
The correct answer is (b) Use heavy construction materials at roofs that are in the highly seismic area.
Explanation:
● In seismic zones, roofs should be made as light as possible.
● If a building collapses during an earthquake, heavy roofs cause significantly more damage and fatalities than light roofs.
Information Booster:
● Mud or timber is often preferred over heavy concrete for roofs in earthquake-prone areas.
● Building frames should be flexible yet strong to absorb seismic energy.
Additional Knowledge:
● Seismograph: Records seismic waves.
● Richter Scale: Measures the magnitude of an earthquake.