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Select the statement(s) that accurately describe the structure of Earth.
The outer core is nearly as hot as the sun’s surface.
We live on Earth’s crust.
The outer layer of Earth is made of mostly solid rock.
The inner core is made of liquid iron and nickel.
The mantle is below the crust and moves like thick oatmeal.
The statements that accurately describe the structure of Earth are:
1. We live on Earth’s crust. – This is true, as the crust is the outermost layer where we reside.
2. The outer layer of Earth is made of mostly solid rock. – This statement is true because the crust, which is the outer layer, consists mainly of solid rock.
3. The mantle is below the crust and moves like thick oatmeal. – This is also accurate; the mantle is semi-solid and behaves like a viscous fluid over geological timescales.
Here’s a brief overview of the other statements:
– The outer core is nearly as hot as the sun’s surface. – This is incorrect; while the outer core is extremely hot (around 4,000 to 5,000 degrees Celsius), the sun’s surface temperature is about 5,500 degrees Celsius.
– The inner core is made of liquid iron and nickel. – This is incorrect; the inner core is solid and composed mainly of iron and nickel.
Feel free to ask if you have more questions or need further clarification!