Help please and if it's sideways sorry

Which of the following statements about the migration of workers to other countries is false?

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Liquefaction is a. a quicksand-like condition arising in some wet soils during earthquakes. b. flooding caused by tsunamis. c. flooding of coastal areas due to tectonic subsidence. d. flooding caused by dam failure resulting from an earthquake.