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The Outer core is liquid and moving.
Earth's core is composed of Iron and Nickel.
Answer:
B
Explanation:
The distance of the Goldilocks zone ensures that water on the terrestrial planet is maintained in the liquid phase. This is because the distance from the star ensure it receives enough sunlight to keep the planet warm but not too hot that the water exists as vapor. Water in its liquid form is essential for maintaining life like here on earth.
2: carbon can be found in the atmosphere, rocks, soil, & fossil fuels,
Not enough info, but I'd go with:
B) hydrogen peroxide
