What is the significance of the alignment of seamounts and islands of the Hawaii-Emperor Seamount

chain and other similarly oriented alignments to the south (e.g., Tuamotu Islands and Line (Austral)
Islands)? What will be an ideal response?


All are thought to be aligned volcanic chains that were produced at hot spots. The straightness and
parallelism of these alignments is considered to represent the direction of absolute plate motion. The
bend in each chain implies that there was a relatively abrupt change in the direction of plate motion or
a clockwise rotation of the Pacific plate about 40 million years ago

Environmental & Atmospheric Sciences

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If global fertility rates remain at 2005-2010 levels, the United Nations predicts that world population will be approximately ________ billion in 2050

A) 7 B) 10 C) 11 D) 5 E) 4

Environmental & Atmospheric Sciences

A ridge or strip of ground separating one drainage basin from another is termed a ________.

A. neck B. crest C. plateau D. divide E. delta

Environmental & Atmospheric Sciences

Aristotle asserted that motion was characterized by

A. natural motion. B. violent motion. C. both of these D. neither of these

Environmental & Atmospheric Sciences

Convergence resulting in rising atmospheric motion at the surface can occur in all of the following settings EXCEPT

A. air encountering topographic barriers like mountains. B. air moving from a large body of land to a large body of water. C. collision of two wind systems like along the equator. D. where upper air flow speeds up and there is upper air divergence.

Environmental & Atmospheric Sciences