Mr. and mrs. tew attended this summer band concert to hear their son play his violin. they sat in the back row. they noticed that during the concert, the music seemed to changed in volume; sometimes it was very loud and other times they could barely hear it. they finally got up and moved to the fourth row, directly in front of the band. the problem seemed to lessen. what might have caused this change in volume during the band concert? a) constructive and destructive interference of sound waves. b) sound waves reflecting off of the ceiling, walls, and other hard surfaces. c) sound waves being absorbed by the walls and curtains in the concert hall. d) inconsistencies in the music play resulting in spotty sound wave production.
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Physics, 21.06.2019 15:00, darius12318
List one type of erosion and describe how it happens?
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Physics, 22.06.2019 18:30, Felici8617
4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.
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Physics, 23.06.2019 11:30, bhjbh7ubb
Which of the following characteristics of earth's relationship to the sun explains the existence of earth's seasons? choose all that apply. earth has a satellite called the moon, which rotates around earth. earth spins on its axis, completing one rotation each day. earth's axis always points in the same direction relative to the stars. earth's axis is tilted relative to its orbital plane. earth orbits around the sun, completing one orbit each year.
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Physics, 23.06.2019 13:30, chloedfite2978
How many joules will be lost by 150 g of water if it is cooled from 90oc to 5oc?
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Mr. and mrs. tew attended this summer band concert to hear their son play his violin. they sat in th...
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