Which two main factors determine the resisting strength that occurs in a mass movement?
A) rock roughness and density
B) friction and rock roughness
C) rock density and cohesion
D) rock friction and cohesion
Answer: D
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What provides the raw material for large and complex food webs within an estuary?
a. The ocean bringing in nutrients b. Salt-tolerant plants producing carbohydrates c. Salt-tolerant plants being decomposed d. The river depositing nutrient-rich sediments
What strategy is used to minimize costs to large firms during economic downturns and periods of restructuring?
A) Relying on in-house staff B) Externalization C) Downsizing D) Deregulation E) Internalization
Climates in the past were much the same as they are today
Indicate whether the statement is true or false
What is the process in which unstable atoms of an element decay and emit excess energy in the form of particles or waves?
a. Radioactivity b. Organic decomposition c. Ionic emission d. Nuclear decay