The percentage of euphotic zone biomass that reaches the deep ocean floor is approximately ________
A) 1%
B) 10%
C) 30%
D) 50%
E) 90%
A
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The homosphere is so called because
A) it is the habitable sphere for humans (Homo sapiens). B) it contains only one gas, nitrogen. C) scientists had already named the heterosphere and need to somehow differentiate it from the other compositional layer. D) the blend of gases is nearly uniform throughout. E) scientists have been unable to determine its composition and assume it is homogeneous.
During the summer which of the following regions would experience the greatest number of tornadoes?
A. Florida B. northern Great Plains C. Gulf coast D. southern Great Plains
Since the earth turns ________ the tide wave tends to move ________ around Earth.
A. eastward; eastward B. northward; southward C. westward; eastward D. westward; westward E. eastward; westward
Folds are an example of ________
A) shear deformation B) ductile deformation C) brittle deformation D) elastic deformation