All volcanoes ____
A)fall into one of five very distinct categories
B)display both lava flows and pyroclastic flows
C)form on either a convergent or a divergent plate boundary
D)have a conduit leading to a magma chamber beneath the surface
E)erupt on very short notice, making it difficult for people to prepare
D
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What type of silicate minerals is shown from this arrangement of silicon tetrahedron? 
A. double chains B. sheets C. frameworks D. independent tetrahedra E. single chains
Which country was closed off from the rest of the world until 1867? It had virtually no contact with outside powers until that date
A) China B) Japan C) Korea (today what makes up both South and North Korea) D) Laos E) Manchuria (today what is northeast China)
If a city were to receive 1/2 inch of rain in the morning and then 5 inches of snow that afternoon, about how much precipitation would the weather service report for that day??
a. ?5 1/2 inches b. ?1/2 inch c. ?1 inch d. ?10 inches e. ?2 1/2 inches
Obtaining images of an area from a distant place is called
a. global sensing (GS). b. remote sensing (RS). c. random sensing (RNS). d. radon sensing (RDS). e. Mapping.