The appropriate answer is a. the temperature is high enough but pressure low enough to melt iron. The earth's core is composed of two layers; the inner and outer core. Both layers are composed mainly of iron and nickel. The main difference between the two layers is that the inner core is solid and the outer core is liquid. The inner core is solid because of the pressure created by the overlaying layers; the outer core, mantle and the crust. The inner core is however hotter than the outer core.
Compass Rose!!I hope this helped
The answer is b. elastic deformation
In geologically active areas, stress causes rocks to deform or stretch out. But when the stress ends, the faults return back to normal through elastic deformation. They regain their original shape.
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On the surface, the greatest factor affecting Earth is sunlight. Sun provides energy for living organisms, and it drives our planet's weather and climate by creating temperature gradients in the atmosphere and oceans. (got the answer from google hehe)
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