1. the himalayas in south asia are an example of what type of plate boundary?
a. convergent oceanic-continental boundary
b. convergent continental-continental boundary
c. divergent boundary
d. transform fault boundary

2. volcanic island arcs are associated with what type of plate boundary?
a. divergent boundary
b. convergent continental-continental boundary
c. onvergent oceanic-continental boundary
d. convergent oceanic-oceanic boundary

3. continental volcanic arcs are associated with what type of plate boundary?
a. convergent continental-continental boundary
b. convergent oceanic-continental boundary
c. transform fault boundary
d. convergent oceanic-oceanic boundary

Answer 1: The correct answer is b. convergent continental-continental boundary.

A convergent continental-continental boundary refers to a convergent plate boundary where two continental plates meet or come together. When this happens, a forceful collision occurs, and structures like mountains start to form. The Himalaya mountain range is formed as a result of the convergence of the Indian and Eurasian continental plates.

Answer 2: The correct answer is d. convergent oceanic-oceanic boundary.

Volcanic island arcs refers to a curved line of volcanoes formed from the subduction (sinking) of one oceanic plate below another plate. Examples of volcanic island arcs include Japanese Islands and Alaskan Islands.

Answer 3: The correct answer is b.convergent oceanic-continental boundary.

A continental volcanic arc is an arc-shaped chain of volcanoes that form from the subduction of an oceanic plate under a continental plate. 

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