Exploring the Earth's Layers in the Philippines

What tectonic plates interact in the Southeast Asian region surrounding the Philippines?

• Philippine Sea Plate, Sunda Plate, Eurasian Plate

• North American Plate, South American Plate

• African Plate, Australian Plate

• Antarctic Plate, Indian Plate

What geological features are marked by the active subduction zones in the Philippines?

• Volcanic activity and frequent earthquakes

• Mountain ranges and river valleys

• Deserts and plateaus

• Lakes and wetlands

What is the composition of the crust in the Philippines?

• A mix of oceanic and continental crust

• Only continental crust

• Only oceanic crust

• Granite and basalt only

What is the Philippine Fault System?

• A major strike-slip fault accommodating plate movement

• A volcanic arc

• A sedimentary basin

• A trench

What is the Philippine Trench?

• A major subduction zone

• A type of volcanic rock

• A sedimentary basin

• A mountain range

What are ophiolites in the Philippines characterized by?

• A sequence of serpentinized mantle rocks

• Only sedimentary rocks

• Only volcanic rocks

• Granite formations

What are the characteristics of the core of the Earth?

• A liquid outer core and a solid inner core

• Only solid

• Only liquid

• A gaseous core

What are volcanic arcs?

• Chains of volcanoes formed above subduction zones

• Flat plains

• Mountain ranges

• Deserts

What is the primary cause of tsunamis in the Philippines?

• Volcanic eruptions

• High tides

• Underwater earthquakes

• Storm surges

What type of rock is predominantly found in the volcanic regions of the Philippines?

• Sandstone

• Shale

• Basalt

• Limestone