Residence times are dependent upon steady-state conditions and a well-mixed ocean. Indicate whether the statement is true or false
ANS: T
Many residence times that are less than the ocean's mixing time are due to variation in local demands.
The ocean's mixing time is approximately 1,600 years. Information can be found in the section
Seawater Consists of Water and Dissolved Solids.
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Schist is an example of a foliated metamorphic rock. Indicate whether the statement is true or false
Which of the following best matches the description?Chemical produced by one animal that changes the behavior of another.
A. micronutrients B. micronutrient C. macronutrients D. chlorinated hydrocarbon E. fungicide F. pheromone G. persistent pesticide H. hard pesticide I. auxin J. biomagnification K. herbicide L. weed M. organophosphate N. biocide O. rodenticide P. soft pesticide Q. macronutrient
A tsunami is a tidal wave
Indicate whether this statement is true or false.
Which of the following is NOT true of tsunamis?
A. Tsunamis are generated when energy is suddenly transferred to a body of water. B. Tsunamis form when the seafloor suddenly moves and displaces seawater. C. Tsunamis occur in the Pacific Ocean along the Ring of Fire. D. Tsunamis are associated with transform fault boundaries. E. The majority of tsunamis form during subduction zone earthquakes.