What is an accretionary wedge? Briefly describe its formation
What will be an ideal response?
An accretionary wedge is a chaotic accumulation of sedimentary and metamorphic rocks with occasional scraps of ocean crust that is shoved up against the edge of a continent at a subduction zone. Sediment derived from the land and scraped from a subducting plate is plastered against the landward side of the trench like piles of dirt in front of a bulldozer.
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When are names given to storms that form in the tropics?
A. when they become fully developed hurricanes B. when they reach tropical storm strength C. when their rotation becomes visible on a satellite photograph D. when they approach to within 250 km of land
On an upper-level chart, in which direction does the wind blow?
A. It tends to blow at right angles to the isobars or contour lines. B. It tends to blow at constant speed. C. It tends to blow parallel to the contours. D. It tends to blow at an angle between 10 and 30 degrees to the contours and towards lower pressure.
A global organization created after WWII that provides a forum for the discussion of international problems is called
A) the World Trade Organization. B) sovereignty. C) International Tribunal. D) the World Court. E) the United Nations.
When stable air is forced to rise, any clouds that are produced are generally thin and flat
lying. Indicate whether the statement is true or false