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5,300 | DQ_010955 | simple machines | Which number shows a wheel with a grooved rim around which a cord passes? | simple_machines_9248.png | question_images/simple_machines_9248.png | Diagram Multiple Choice | a. 1, b. 4, c. 3, d. 6 | d |
5,301 | DQ_010956 | simple machines | How many pulleys are being used here? | simple_machines_9249.png | question_images/simple_machines_9249.png | Diagram Multiple Choice | a. 4, b. 2, c. 3, d. 1 | d |
5,302 | DQ_010957 | simple machines | What is the simple machine shown in the diagram? | simple_machines_9249.png | question_images/simple_machines_9249.png | Diagram Multiple Choice | a. lever, b. wedge, c. pulley, d. inclined plane | c |
5,303 | DQ_010958 | simple machines | How many pivots does this lever have? | simple_machines_9250.png | question_images/simple_machines_9250.png | Diagram Multiple Choice | a. 2, b. 0, c. 3, d. 1 | d |
5,304 | DQ_010959 | simple machines | What equipment is the man using to move the rock? | simple_machines_9250.png | question_images/simple_machines_9250.png | Diagram Multiple Choice | a. Truck, b. Bulldozer, c. Rod, d. Crane | c |
5,305 | DQ_010960 | simple machines | What is the man trying to carry? | simple_machines_9250.png | question_images/simple_machines_9250.png | Diagram Multiple Choice | a. Table, b. Tree, c. Rock, d. Wood | c |
5,306 | DQ_010961 | simple machines | Which is a more complex pulley system? | simple_machines_7559.png | question_images/simple_machines_7559.png | Diagram Multiple Choice | a. a, b. c, c. d, d. B | c |
5,307 | DQ_010962 | simple machines | What simple machine is found here? | simple_machines_9249.png | question_images/simple_machines_9249.png | Diagram Multiple Choice | a. lever, b. screw, c. pulley, d. rope | c |
5,308 | DQ_010963 | simple machines | Identify the wedge | simple_machines_19248.png | abc_question_images/simple_machines_19248.png | Diagram Multiple Choice | a. l, b. p, c. e, d. m | d |
5,309 | DQ_010964 | transfer of thermal energy | What happens after the sun warms the land, which warms the air? | convection_of_air_6659.png | question_images/convection_of_air_6659.png | Diagram Multiple Choice | a. This cold dense air sinks, b. Nothing happens, c. Less dense warm air rises, d. The air is cooled off by the land | c |
5,310 | DQ_010965 | transfer of thermal energy | Where is the air the coolest? | convection_of_air_6659.png | question_images/convection_of_air_6659.png | Diagram Multiple Choice | a. On the ground, b. Higher in the atmosphere, c. Low in the atmosphere, d. Closest to the sun | b |
5,311 | DQ_010966 | transfer of thermal energy | What happens after less dense warm air rises? | convection_of_air_6659.png | question_images/convection_of_air_6659.png | Diagram Multiple Choice | a. wind, b. Air warms, c. Air cools, d. Cold dense air sinks | c |
5,312 | DQ_010967 | transfer of thermal energy | What happens to cool air when it reaches a hot radiator? | convection_of_air_6660.png | question_images/convection_of_air_6660.png | Diagram Multiple Choice | a. Warm air rises, b. Cool air falls, c. Warm air falls, d. Cool air rises | a |
5,313 | DQ_010968 | transfer of thermal energy | Why is the warm air rising in the room? | convection_of_air_6660.png | question_images/convection_of_air_6660.png | Diagram Multiple Choice | a. It doesn't, b. The cool air is less dense, c. It started there, d. It's less dense than cool air | d |
5,314 | DQ_010969 | transfer of thermal energy | Wind direction flows: | convection_of_air_6662.png | question_images/convection_of_air_6662.png | Diagram Multiple Choice | a. From warm air over land to cool air over land, b. Towards the sun, c. From low pressure to high pressure, d. From high pressure to low pressure | d |
5,315 | DQ_010970 | transfer of thermal energy | How many stages are there in the transfer of thermal energy? | convection_of_air_6662.png | question_images/convection_of_air_6662.png | Diagram Multiple Choice | a. 5, b. 6, c. 3, d. 4 | b |
5,316 | DQ_010971 | transfer of thermal energy | To where does the wind blow? | convection_of_air_6662.png | question_images/convection_of_air_6662.png | Diagram Multiple Choice | a. high pressure area, b. into the earth, c. low pressure area, d. towards the sun | c |
5,317 | DQ_010972 | transfer of thermal energy | In a convection current how does cool air react? | convection_of_air_6663.png | question_images/convection_of_air_6663.png | Diagram Multiple Choice | a. It sinks, b. It rises, c. It stays the same, d. It both rises and sinks | a |
5,318 | DQ_010973 | transfer of thermal energy | What does the convection current do to air? | convection_of_air_6663.png | question_images/convection_of_air_6663.png | Diagram Multiple Choice | a. does not change the air, b. charges the air with elctricity, c. cools air, d. warms air | c |
5,319 | DQ_010974 | transfer of thermal energy | What happens when warm air rises? | convection_of_air_6663.png | question_images/convection_of_air_6663.png | Diagram Multiple Choice | a. warm air stays in the atmosphere, b. air keeps warming up, c. warm air doesn't rise, d. air cools and sinks | d |
5,320 | DQ_010975 | transfer of thermal energy | How many processes are there in the convection current? | convection_of_air_6663.png | question_images/convection_of_air_6663.png | Diagram Multiple Choice | a. 3, b. 2, c. 1, d. 4 | b |
5,321 | DQ_010976 | transfer of thermal energy | How many stages are shown in this image? | convection_of_air_6663.png | question_images/convection_of_air_6663.png | Diagram Multiple Choice | a. 6, b. 7, c. 4, d. 5 | c |
5,322 | DQ_010977 | transfer of thermal energy | In a convection current, what does warm air do? | convection_of_air_6663.png | question_images/convection_of_air_6663.png | Diagram Multiple Choice | a. It moves laterally., b. It sinks., c. It stays dormant., d. It rises. | d |
5,323 | DQ_010978 | transfer of thermal energy | The red arrows in the diagram refer to: | convection_of_air_8045.png | question_images/convection_of_air_8045.png | Diagram Multiple Choice | a. Cool Molecules, b. Heat, c. Convection, d. Warm Molecules | d |
5,324 | DQ_010979 | transfer of thermal energy | Heat is lost when warm molecules: | convection_of_air_8045.png | question_images/convection_of_air_8045.png | Diagram Multiple Choice | a. Encounter cool molecules, b. Stay in place, c. Rise to the surface of the liquid, d. Fall to the bottom of the kettle | c |
5,325 | DQ_010980 | transfer of thermal energy | How many types of molecules are involved in the convection process? | convection_of_air_8045.png | question_images/convection_of_air_8045.png | Diagram Multiple Choice | a. 4, b. 2, c. 3, d. 1 | b |
5,326 | DQ_010981 | transfer of thermal energy | At what point does air cool? | convection_of_air_8046.png | question_images/convection_of_air_8046.png | Diagram Multiple Choice | a. After hot air rises, b. After hot air sinks, c. After cold air sinks, d. After cold air replaces hot air | a |
5,327 | DQ_010982 | transfer of thermal energy | When does air start getting hot? | convection_of_air_8046.png | question_images/convection_of_air_8046.png | Diagram Multiple Choice | a. When it cools., b. When it rises., c. When it sinks., d. When cool air replaces hot air. | b |
5,328 | DQ_010983 | transfer of thermal energy | How many processes are shown in the diagram? | convection_of_air_8046.png | question_images/convection_of_air_8046.png | Diagram Multiple Choice | a. 2, b. 4, c. 3, d. 5 | b |
5,329 | DQ_010984 | transfer of thermal energy | How many processes are thereafter hot air rises? | convection_of_air_8046.png | question_images/convection_of_air_8046.png | Diagram Multiple Choice | a. 3, b. 2, c. 4, d. 5 | a |
5,330 | DQ_010985 | transfer of thermal energy | Which part of the room will have higher temperature? | convection_of_air_8047.png | question_images/convection_of_air_8047.png | Diagram Multiple Choice | a. Near the floor, b. All parts of the room will have same temperature, c. On the wall near the furnace, d. Near the ceiling and above the furnace | d |
5,331 | DQ_010986 | transfer of thermal energy | What does hot air do? | convection_of_air_8047.png | question_images/convection_of_air_8047.png | Diagram Multiple Choice | a. It stays dormant., b. It sinks., c. It moves laterally., d. It rises. | d |
5,332 | DQ_010987 | transfer of thermal energy | After heat rises in a convection cycle: | convection_of_air_8048.png | question_images/convection_of_air_8048.png | Diagram Multiple Choice | a. Cool air rises, b. The convection cycle ends, c. Heat falls, d. Cool air falls | d |
5,333 | DQ_010988 | transfer of thermal energy | Conduction is the transfer of heat energy by | convection_of_air_8048.png | question_images/convection_of_air_8048.png | Diagram Multiple Choice | a. molecular contact, b. movement through a vacuum, c. density differences, d. electromagnetic waves | a |
5,334 | DQ_010989 | transfer of thermal energy | Where is the best place to put a convection heater to warm up a room? | convection_of_air_8048.png | question_images/convection_of_air_8048.png | Diagram Multiple Choice | a. Near the floor, b. Near the ceiling, c. On the ceiling facing down the room, d. It does not matter | a |
5,335 | DQ_010990 | transfer of thermal energy | When the transfer of thermal energy occurs between particles that are touching each other, it exhibits... | convection_of_air_8049.png | question_images/convection_of_air_8049.png | Diagram Multiple Choice | a. insulation, b. radiation, c. conduction, d. convection | c |
5,336 | DQ_010991 | transfer of thermal energy | What type of heat transfer happens in the water? | convection_of_air_8049.png | question_images/convection_of_air_8049.png | Diagram Multiple Choice | a. Radiation, b. Radiation and Conduction, c. Conduction, d. Convection | d |
5,337 | DQ_010992 | transfer of thermal energy | Which form of thermal energy transfer does NOT require physical contact? | convection_of_air_8049.png | question_images/convection_of_air_8049.png | Diagram Multiple Choice | a. Radiation, b. Conduction, c. Release, d. Convection | a |
5,338 | DQ_010993 | transfer of thermal energy | How many forms of the transfer of energy are shown in the diagram? | convection_of_air_8049.png | question_images/convection_of_air_8049.png | Diagram Multiple Choice | a. 3, b. 4, c. 1, d. 2 | a |
5,339 | DQ_010994 | transfer of thermal energy | How many stages are there in the process of boiling water? | convection_of_air_8049.png | question_images/convection_of_air_8049.png | Diagram Multiple Choice | a. 3, b. 6, c. 4, d. 5 | a |
5,340 | DQ_010995 | transfer of thermal energy | What is the transfer of thermal energy between particles of matter that are touching? | convection_of_air_8049.png | question_images/convection_of_air_8049.png | Diagram Multiple Choice | a. Steaming, b. Radiation, c. Convection, d. Conduction | d |
5,341 | DQ_010996 | transfer of thermal energy | Which process emits heat, causing the pot and water to warm? | convection_of_air_8049.png | question_images/convection_of_air_8049.png | Diagram Multiple Choice | a. convection, b. precipitation, c. radiation, d. conduction | c |
5,342 | DQ_010997 | measuring waves | Which label shows the wavelength of this wave? | waves_17678.png | abc_question_images/waves_17678.png | Diagram Multiple Choice | a. T, b. D, c. N, d. M | a |
5,343 | DQ_010998 | measuring waves | By what letter is the crest represented in the diagram? | waves_17679.png | abc_question_images/waves_17679.png | Diagram Multiple Choice | a. L, b. H, c. S, d. W | b |
5,344 | DQ_010999 | measuring waves | Which label refers to the trough? | waves_17679.png | abc_question_images/waves_17679.png | Diagram Multiple Choice | a. L, b. S, c. K, d. H | c |
5,345 | DQ_011000 | measuring waves | What do you call letters W, S and L? | waves_17679.png | abc_question_images/waves_17679.png | Diagram Multiple Choice | a. Period, b. Double period, c. Amplitude, d. Half period | a |
5,346 | DQ_011001 | measuring waves | Select a period in the diagram. | waves_17679.png | abc_question_images/waves_17679.png | Diagram Multiple Choice | a. S, b. W, S and L, c. K or H, d. W and L | a |
5,347 | DQ_011002 | measuring waves | Which label depicts the crest? | waves_17680.png | abc_question_images/waves_17680.png | Diagram Multiple Choice | a. E, b. V, c. T, d. N | c |
5,348 | DQ_011003 | measuring waves | Which letter corresponds to the measurement from the equilibrium point to the crest point? | waves_19288.png | abc_question_images/waves_19288.png | Diagram Multiple Choice | a. X, b. S, c. It is not shown., d. Cannot be determined. | b |
5,349 | DQ_011004 | measuring waves | By what letter is the wave crest represented in the diagram? | waves_19289.png | abc_question_images/waves_19289.png | Diagram Multiple Choice | a. S, b. U, c. N, d. R | c |
5,350 | DQ_011005 | measuring waves | Identify one wave period. | waves_19289.png | abc_question_images/waves_19289.png | Diagram Multiple Choice | a. H, b. S, c. R, d. U | c |
5,351 | DQ_011006 | measuring waves | Trough means low, where is the wave trough in this picture? | waves_19289.png | abc_question_images/waves_19289.png | Diagram Multiple Choice | a. n, b. k, c. s, d. r | b |
5,352 | DQ_011007 | measuring waves | By what letter is the elevation represented in the diagram? | waves_19292.png | abc_question_images/waves_19292.png | Diagram Multiple Choice | a. P, b. E, c. F, d. V | b |
5,353 | DQ_011008 | measuring waves | Which label shows the amplitude of the wave? | waves_19292.png | abc_question_images/waves_19292.png | Diagram Multiple Choice | a. P, b. V, c. E, d. F | a |
5,354 | DQ_011009 | measuring waves | What is P in this image of waves? | waves_19292.png | abc_question_images/waves_19292.png | Diagram Multiple Choice | a. Wavelength, b. Amplitude, c. Crest, d. Trough | b |
5,355 | DQ_011010 | measuring waves | Which letter represents a crest? | waves_19292.png | abc_question_images/waves_19292.png | Diagram Multiple Choice | a. p, b. v, c. f, d. e | c |
5,356 | DQ_011011 | measuring waves | What is the highest point of the wave called? | waves_7679.png | question_images/waves_7679.png | Diagram Multiple Choice | a. length, b. amplitude, c. trough, d. crest | d |
5,357 | DQ_011012 | measuring waves | If the bottom of the wave is called a trough, then what is the top of the wave called? | waves_7679.png | question_images/waves_7679.png | Diagram Multiple Choice | a. trough, b. dashed line, c. orange line, d. crest | d |
5,358 | DQ_011013 | measuring waves | How many crests are on that wave? | waves_7679.png | question_images/waves_7679.png | Diagram Multiple Choice | a. 3, b. 4, c. 2, d. 1 | c |
5,359 | DQ_011014 | measuring waves | How many wavelengths are pictured? | waves_7679.png | question_images/waves_7679.png | Diagram Multiple Choice | a. 4, b. 3, c. 2, d. 1 | d |
5,360 | DQ_011015 | measuring waves | What would happen to if the crests are further apart? | waves_7679.png | question_images/waves_7679.png | Diagram Multiple Choice | a. It would become smaller, b. It would stay the same, c. It would become bigger, d. It would become zero | c |
5,361 | DQ_011016 | measuring waves | What does the letter a represent? | waves_7680.png | question_images/waves_7680.png | Diagram Multiple Choice | a. amplitide, b. high frequency, c. low frequency, d. wavelength | a |
5,362 | DQ_011017 | measuring waves | How many crests can be seen in the diagram? | waves_7680.png | question_images/waves_7680.png | Diagram Multiple Choice | a. 1, b. 2, c. 3, d. 4 | b |
5,363 | DQ_011018 | measuring waves | What is the part above the center of the wave called? | waves_7680.png | question_images/waves_7680.png | Diagram Multiple Choice | a. Equator, b. Trough, c. Crest, d. Wavelength | c |
5,364 | DQ_011019 | measuring waves | Which label identify the height of a wave? | waves_8224.png | question_images/waves_8224.png | Diagram Multiple Choice | a. Crest, b. Amplitude, c. Wave length, d. Trough | b |
5,365 | DQ_011020 | measuring waves | How many wave lengths are depicted in the diagram? | waves_8224.png | question_images/waves_8224.png | Diagram Multiple Choice | a. 2, b. 5, c. 4, d. 6 | c |
5,366 | DQ_011021 | measuring waves | Which of the following shows the distance between two adjacent waves? | waves_8224.png | question_images/waves_8224.png | Diagram Multiple Choice | a. trough, b. wavelength, c. amplitude, d. crest | b |
5,367 | DQ_011022 | measuring waves | How is the length of a wave calculated? | waves_8224.png | question_images/waves_8224.png | Diagram Multiple Choice | a. By measuring the distance between two corresponding points on adjacent waves., b. by measuring the distance between the crest and the resting position, c. By measuring the direction of wave motion, d. By measuring the distance between the crest and the through | a |
5,368 | DQ_011023 | measuring waves | What are the maximum and minimum values called in a transverse wave? | waves_8224.png | question_images/waves_8224.png | Diagram Multiple Choice | a. Length and Amplitude, b. Crest and Trough, c. Density and Trough, d. Crest and Length | b |
5,369 | DQ_011024 | measuring waves | How many crests and trough make one complete cycle of wave signal? | waves_8224.png | question_images/waves_8224.png | Diagram Multiple Choice | a. 1 crest and 1 trough, b. 1 crest and 2 troughs, c. 2 crests and 1 trough, d. 2 crest and 2trough | a |
5,370 | DQ_011025 | measuring waves | How many waves can be seen on the top of the horizontal line? | waves_8224.png | question_images/waves_8224.png | Diagram Multiple Choice | a. 3, b. 5, c. 7, d. 6 | b |
5,371 | DQ_011026 | measuring waves | It has lower density and in the negative direction of disturbance. | waves_8224.png | question_images/waves_8224.png | Diagram Multiple Choice | a. crest, b. wave, c. amplitude, d. Trough | d |
5,372 | DQ_011027 | measuring waves | What is the measurement from the equilibrium position of particles or magnetic fields to the crest called? | waves_8224.png | question_images/waves_8224.png | Diagram Multiple Choice | a. frequency, b. amplitude, c. wave length, d. trough | b |
5,373 | DQ_011028 | measuring waves | From the diagram, identify what does (D) represent. | waves_8226.png | question_images/waves_8226.png | Diagram Multiple Choice | a. trough, b. crest, c. wavelength, d. amplitude | c |
5,374 | DQ_011029 | measuring waves | What is the distance between A and b? | waves_8226.png | question_images/waves_8226.png | Diagram Multiple Choice | a. wavelength, b. A + D, c. C, d. D | a |
5,375 | DQ_011030 | measuring waves | In the diagram, how many upward curves are there? | waves_8226.png | question_images/waves_8226.png | Diagram Multiple Choice | a. 3, b. 0, c. 2, d. 1 | c |
5,376 | DQ_011031 | measuring waves | From which points do you measure a wavelength? | waves_8227.png | question_images/waves_8227.png | Diagram Multiple Choice | a. A to E, b. B to F, c. D to H, d. C to G | b |
5,377 | DQ_011032 | measuring waves | From the diagram, how many full wavelengths are there? | waves_8227.png | question_images/waves_8227.png | Diagram Multiple Choice | a. 1, b. 4, c. 2, d. 3 | c |
5,378 | DQ_011033 | measuring waves | How many peaks are there in the wave? | waves_8227.png | question_images/waves_8227.png | Diagram Multiple Choice | a. 4, b. 3, c. 5, d. 2 | d |
5,379 | DQ_011034 | measuring waves | What does point D to point H measure? | waves_8227.png | question_images/waves_8227.png | Diagram Multiple Choice | a. Wavelength, b. Crest, c. Amplitude, d. Trough | a |
5,380 | DQ_011035 | measuring waves | What kind of wave is depicted in the diagram shown below? | waves_8227.png | question_images/waves_8227.png | Diagram Multiple Choice | a. transverse wave, b. longitudinal wave, c. wavelength, d. amplitude | a |
5,381 | DQ_011036 | measuring waves | It is One half the full extent of a vibration, oscillation, or wave | waves_9288.png | question_images/waves_9288.png | Diagram Multiple Choice | a. wavelength, b. chart, c. Amplitude, d. time | c |
5,382 | DQ_011037 | measuring waves | From the diagram, how many full wavelengths are there? | waves_9288.png | question_images/waves_9288.png | Diagram Multiple Choice | a. 2, b. 4, c. 1, d. 3 | a |
5,383 | DQ_011038 | measuring waves | How many wave crests are present in the diagram? | waves_9288.png | question_images/waves_9288.png | Diagram Multiple Choice | a. 3, b. 2, c. 1, d. 4 | b |
5,384 | DQ_011039 | measuring waves | Does the amplitude of a wave affect its wavelength? | waves_9288.png | question_images/waves_9288.png | Diagram Multiple Choice | a. Sometimes, b. Intermittently, c. No, d. Yes | d |
5,385 | DQ_011040 | measuring waves | What happens when amplitude increases? | waves_9288.png | question_images/waves_9288.png | Diagram Multiple Choice | a. Nothing happens, b. Wavelength remains same, c. Wavelength decreases, d. Wavelength increases | a |
5,386 | DQ_011041 | measuring waves | What is the measurement from the resting position of particles or magnetic fields to the wave crest called? | waves_9289.png | question_images/waves_9289.png | Diagram Multiple Choice | a. wave crest, b. amplitude, c. wavelength, d. wave height | b |
5,387 | DQ_011042 | measuring waves | What Greek letter represents wavelength? | waves_9289.png | question_images/waves_9289.png | Diagram Multiple Choice | a. Lambda, b. Beta, c. Gamma, d. Alpha | a |
5,388 | DQ_011043 | measuring waves | According to the diagram, how is this curve's wavelength measured? | waves_9289.png | question_images/waves_9289.png | Diagram Multiple Choice | a. From one wave crest to the next one, b. The amplitude, c. From wave trough to the next wave trough, d. The wave height | a |
5,389 | DQ_011044 | measuring waves | Where is a wave trough located? | waves_9289.png | question_images/waves_9289.png | Diagram Multiple Choice | a. Above the wave crest., b. At the bottom of the amplitude., c. At the bottom of the wave height., d. At the top of the wave height. | c |
5,390 | DQ_011045 | measuring waves | How many parts of an analog signal is shown in the diagram? | waves_9289.png | question_images/waves_9289.png | Diagram Multiple Choice | a. 6, b. 3, c. 5, d. 4 | c |
5,391 | DQ_011046 | measuring waves | How many wave crests are shown in the diagram? | waves_9289.png | question_images/waves_9289.png | Diagram Multiple Choice | a. 4, b. 3, c. 2, d. 1 | a |
5,392 | DQ_011047 | measuring waves | What would happen if there is a decrease in wavelength? | waves_9289.png | question_images/waves_9289.png | Diagram Multiple Choice | a. wave frequency is constant, b. wave frequency increases, c. wave frequency is halved, d. wave frequency decreases | b |
5,393 | DQ_011048 | measuring waves | This is the height of the wave. | waves_9290.png | question_images/waves_9290.png | Diagram Multiple Choice | a. Amplitude, b. Wavelength, c. Crest, d. Phase | a |
5,394 | DQ_011049 | measuring waves | How many arrows can you see in the illustration? | waves_9290.png | question_images/waves_9290.png | Diagram Multiple Choice | a. 5, b. 3, c. 4, d. 6 | a |
5,395 | DQ_011050 | measuring waves | What is the measurement from the wave trough to wave crest called? | waves_9290.png | question_images/waves_9290.png | Diagram Multiple Choice | a. amplitude, b. wavelength, c. oscillation, d. frequency | a |
5,396 | DQ_011051 | measuring waves | Which number corresponds to amplitude? | waves_9291.png | question_images/waves_9291.png | Diagram Multiple Choice | a. 4, b. 3, c. 2, d. 1 | d |
5,397 | DQ_011052 | measuring waves | Which arrow shows the wave both at its highest and its lowest? | waves_9291.png | question_images/waves_9291.png | Diagram Multiple Choice | a. 1, b. 3, c. 2, d. 4 | c |
5,398 | DQ_011053 | measuring waves | How many wave cycles are shown in this diagram? | waves_9291.png | question_images/waves_9291.png | Diagram Multiple Choice | a. 4, b. 3, c. 2, d. 1 | d |
5,399 | DQ_011054 | measuring waves | Which number corresponds to the amplitude of this wave? | waves_9291.png | question_images/waves_9291.png | Diagram Multiple Choice | a. 2, b. 3, c. 4, d. 1 | d |
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