Through what two cell layers must gases diffuse to go from the alveoli to the plasma

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

Alife insurance salesman sells on the average 3 life insurance policies per week. use poisson's law to calculate the probability that in a given week he will sell 2 or more policies but less than 5 policies? i just require an answer.

Some studies have found that what percentage of students have cheated in some form? a. 10% b. 25% c. 45% d. 75%