Briefly describe the two models proposed for mantle–plate convection
What will be an ideal response?
a. The whole-mantle model, in which cold oceanic lithosphere sinks to nearly the core–mantle boundary and stirs the entire mantle
b. The layer cake model, in which the driving forces are the same, but there are two zones of convection: a thin, dynamic layer in the upper mantle and a thick, larger, sluggish one located below
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Explain the various aspects of hurricanes that can allow them to be so devastating
Which of the following is true of the hydrolysis of carbohydrates?
A) Carbohydrates cannot be hydrolyzed. B) Hydrolysis of carbohydrates can only yield polyhydroxyaldehydes. C) Hydrolysis of carbohydrates can only yield polyhydroxyketones. D) Hydrolysis of carbohydrates can yield polyhydroxyaldehydes and/or polyhydroxyketones.
Coral bleaching results in the death of corals
Indicate whether the statement is true or false
When a wave steepens until it collapses it becomes a ________
A) wave of oscillation B) breaker C) swell D) forced wave E) wave of translation