41.
How can vegetation help in controlling landslides?

42.
What geological hazard is most likely in a steep terrain with heavy rainfall?

43.
What device is used to monitor ground movements on slopes to predict landslides?

44.
Which of the following is an effective structural mitigation for landslides?

45.
What does a seismologist study?

46.
Which type of fault is associated with tensional forces?

47.
A volcanic hazard that consists of a fast-moving current of hot gas and volcanic matter is called:

48.
Which instrument is primarily used to detect earthquakes?

49.
The sudden release of energy in Earth's crust that creates seismic waves is called:

50.
Which natural hazard is often linked to rapid snowmelt in mountainous areas?