Two electronic speakers, 1 and 2, are generating a fixed frequency whistle at the same amplitude. Jamie is sitting one wavelength away from speaker A and 1.5 wavelengths from speaker B . Dustin is sitting one wavelength away from speaker A and 2 wavelengths away from speaker B . Which statement below is correct? 1. Jamie hears a much lower amplitude whistle than Dustin. 2. Jamie hears a much higher amplitude whistle than Dustin. 3. Jamie hears a moderately lower amplitude whistle than Dustin. 4. Jamie hears the whistle at the same amplitude as Dustin. 5. Jamie hears a moderately higher amplitude whistle than Dustin.

“[the city’s engineers excelled in areas] neglected by the greeks, such as the construction of roads and aqueducts, and of sewers that could wash the filth of the city into the tiber. they have built paved roads throughout the country, leveling ridges and filling up hollows, so as to make possible the movements of heavily loaded wagons. . and such is the quantity of water brought in by the aqueducts, that veritable rivers flow through the city and its sewers: almost every house has cisterns, waterpipes, and copious fountains.” —strabo, as quoted in empires ascendant: time frame 400 b.c.–a.d. 200 cisterns are tanks that hold water until it is needed; if a house has a cistern, it is likely to also have a. aqueducts. c. a swimming pool. b. a fish pond. d. sinks and faucets.