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Which of the following most likely causes Earth’s inner core to be a solid?
The pressure at the core is very high.
Mercury
gravitational force
The planet is too small to hold heat.
the composition of the atmosphere
weathering and erosion
rock containing fossilized seashells found on a mountaintop
the Sun
Which of the following has changed over the last 200 years primarily due to human activity?
The pressure at the core is very high.
Mercury
gravitational force
The planet is too small to hold heat.
the composition of the atmosphere
weathering and erosion
rock containing fossilized seashells found on a mountaintop
the Sun
Mercury, the planet nearest to the Sun, has extreme surface temperatures, ranging from 465°C in sunlight to –180°C in darkness. Why is there such a large range of temperatures on Mercury?
The pressure at the core is very high.
Mercury
gravitational force
The planet is too small to hold heat.
the composition of the atmosphere
weathering and erosion
rock containing fossilized seashells found on a mountaintop
the Sun
The Appalachian Mountains, which extend from Canada to Alabama, were much taller in the past than they are today. Which of the following two processes are most responsible for the decrease in the height of the Appalachian Mountains?
The pressure at the core is very high.
Mercury
gravitational force
The planet is too small to hold heat.
the composition of the atmosphere
weathering and erosion
rock containing fossilized seashells found on a mountaintop
the Sun
Which of the following keeps the planets in our solar system in orbit around the Sun?
The pressure at the core is very high.
Mercury
gravitational force
The planet is too small to hold heat.
the composition of the atmosphere
weathering and erosion
rock containing fossilized seashells found on a mountaintop
the Sun
Which of the following provides the best evidence that Earth has evolved over geologic time?
The pressure at the core is very high.
Mercury
gravitational force
The planet is too small to hold heat.
the composition of the atmosphere
weathering and erosion
rock containing fossilized seashells found on a mountaintop
the Sun
Which of the following planets is always closer to the Sun than it is to Earth?
The pressure at the core is very high.
Mercury
gravitational force
The planet is too small to hold heat.
the composition of the atmosphere
weathering and erosion
rock containing fossilized seashells found on a mountaintop
the Sun
What is the primary energy source that drives all weather events, including precipitation, hurricanes, and tornados?
The pressure at the core is very high.
Mercury
gravitational force
The planet is too small to hold heat.
the composition of the atmosphere
weathering and erosion
rock containing fossilized seashells found on a mountaintop
the Sun
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