Mercury has the largest core compared to the size of the planet.
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Question 2
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Differentiation occurred inside each terrestrial planet.
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Question 3
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There are two main forces that shape a planet's surface: impacts and plate tectonics.
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Question 4
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Primary waves are seismic longitudinal waves whose paths are deflected when they travel through the Earth's liquid core.
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Question 5
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The interior of the Earth is differentiated because it cooled very quickly.
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Question 6
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Ocean tides on Earth are caused only by the Moon.
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Question 7
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Tides are strongest when the Moon is at first quarter phase or third quarter phase.
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Question 8
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Earth's magnetic axis and its spin axis are not aligned.
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Question 9
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Permanent magnetism in the Earth's solid iron core is the source of Earth's magnetic field.
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Question 10
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The Moon's tidal forces on Earth result in it pulling the near side of Earth toward it and pushing the far side of Earth away from it.
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Question 11
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The reason that Earth is hotter than Jupiter is because the Earth is smaller than Jupiter.
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Question 12
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The interior of the Earth is hot mainly because of the pressure induced by the weight of the material above it.
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Question 13
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Convection cannot take place in the Earth's mantle because it is not molten.
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Question 14
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Volcanoes on Earth typically occur in the middle of oceans where two tectonic plates move farther apart.
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Question 15
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All the terrestrial planets show evidence of disruptions due to tectonics.
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Question 16
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The smoother,less cratered surfaces of the Moon resulted from those areas being protected by the Moon's proximity to Earth.
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Question 17
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The maria on the Moon's surface are approximately 1 billion years younger than the rest of its surface.
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Question 18
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Mars has many large shield volcanoes probably because its core is colder than the Earth's core.
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Question 19
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The Mars rovers named Spirit and Opportunity found evidence in the chemical makeup of the rocks that proves Mars had liquid water on its surface in the past.
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Question 20
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On Mars,water ice is present primarily in its polar ice caps.