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Which occurs during summer in the northern hemisphere? a. the earth is closer to the sun. b. the earth's axis is tilted so that the northern hemisphere faces the sun. c. the earth's axis is tilted so that the northern hemisphere faces away from the sun. d. the earth is farther away from the sun.
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Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Chemistry, 22.06.2019 19:50
What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m
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Chemistry, 23.06.2019 05:00
Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.
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Chemistry, 23.06.2019 15:00
Does the formation of all chemical bonds is based on sharing of electrons?
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Which occurs during summer in the northern hemisphere? a. the earth is closer to the sun. b. the ea...
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