Moderate is your answer hope this helps!
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.
Answer:
adaptation
Explanation:
The exact definition of adaptation is :
the process of change by which an organism or species becomes better suited to its environment.
This is basically what the question says and I therefore believe this is the answer
Hope this helped and have a good day
