Traditional Culture Encyclopedia - Traditional culture - In traditional festivals, people in many places will burn the Kongming lanterns to pray for blessings (as shown in the figure). (1) When the lantern rises, the density of the gas inside the lampshade

In traditional festivals, people in many places will burn the Kongming lanterns to pray for blessings (as shown in the figure). (1) When the lantern rises, the density of the gas inside the lampshade

In traditional festivals, people in many places will burn the Kongming lanterns to pray for blessings (as shown in the figure). (1) When the lantern rises, the density of the gas inside the lampshade ____ (choose)
(1) less than (2) the hole by the air buoyancy is greater than their own gravity, the hole can rise (3) gas stations, residential areas, forests, power stations (factories), protected buildings, museums, theaters and other densely populated places or important units, etc.