A mixture of unconsolidated, weathered earth materials and humus is 

The majority of the Sun’s total energy output occurs as 

Giant sea waves are caused by underwater earthquakes 

An arch-shaped fold resulting from plastic deformation is called 

Mountains that rise sharply from surrounding land along a steeply inclined fault plane are 

Remnants of asteroids and comets that survive the long trip through Earth’s atmosphere to strike the surface are called

Seismological studies suggest that the core 

The Himalayan Mountains were formed as a result of 

The amount of gaseous water in the air is 

Earth’s actual shape is most correctly described as