Why are active volcanoes, such as mt. st. helens, usually located in mountain ranges along the boundaries of tectonic plates?

Choose the description that best matches each word. write the correct letter in the blank. 1. ostinato a. large, extended composition for chorus and orchestra 2. atonality b. full orchestra 3. musicology c. festive, march-like opening to a play or “semi-opera” 4. concerto d. small group of solo instruments 5. minimalism e. music contrasting a full orchestra and solo instruments 6. art song f. music played under the action to influence the mood 7. strophic form g. a vocal song focusing on artistic expression 8. incidental h. each stanza of a poem is set to the same music 9. oratorio i. repeated musical pattern that provides unity to a piece 10. dissonance j. steady beat; simple harmonies; short, repetitive melody 11. concertino k. harsh, unstable sounding of pitches; harmonic tension 12. tutti l. all 12 tones of chromatic scale, no tonal center 13. entrada m. the historical and scientific study of music

Which of the following characteristics would be more important to an organism adapted for life in a marsh than for an organism adapted for life in a river? tolerance for variable ph tolerance for variable salinity tolerance for variable pressure tolerance for variable water velocity tolerance for variable water availability

What property does soil or rock need to be permeable? a.)young b.)old c.)non porous d.)porosity