Oceanic trenches are long, steep-sided depressions on the ____ _______ near _________ boundaries. 

Soils in humid regions are lighter in color and more fertile than those of semiarid regions. 

______ _________ is the downslope movement of material under the direct influence of gravity?

Coal is a type of biochemical sedimentary rock composed of altered remains of land plants. 

The Hawaiian volcano called ___________ has been erupting continuously since 1983. 

Volcanic rocks are also classified as extrusive rocks. 

The ________ _____ ________ subdivides geological time into a hierarchy of increasingly shorter time intervals, each of which has a specific name and duration. 

The rock cycle and plate tectonics are related because of their interaction between plate?

Matter is anything that has mass and takes up space. 

Please select the best response for how valuable you felt the guest lecture (Orthopedics in Engineering, Dr. Eamon Bernardoni) was: