Advanced Placement (AP), 28.01.2021 22:50 jbryant071405
A rock sample contains 7.5 g of Californium-249 and 52.5 g of the daughter isotope. If the half life of Californium-249 is 360 days, how old is the rock?
Answers: 2
Advanced Placement (AP), 22.06.2019 23:20
Which factor most strongly influences a biome's climate? a- the culture of the people living in the area. b-the diet of the people living in the area. c-the areas plant life. d-the areas geography.
Answers: 3
Advanced Placement (AP), 23.06.2019 05:00
Explain one difference in the way elites used art or architecture in europe and in asia during the period 1450-1750.
Answers: 1
Advanced Placement (AP), 24.06.2019 16:00
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
Answers: 3
Advanced Placement (AP), 24.06.2019 18:30
Ascientist has predicted that the population of earth will continue to grow exponentially until the year 2300. at that point, we will reach carrying capacity of earth’s resources, and population growth will plateau. if the scientist’s prediction is correct, what can you predict about human energy use at that time? justify your answer by explaining the relationship between population growth and energy use. (5 points)
Answers: 1
A rock sample contains 7.5 g of Californium-249 and 52.5 g of the daughter isotope. If the half life...
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