The inner core is solid because it is made of very dense, or heavy, materials - like iron and nickel. Even though it is very hot, these materials don't "melt" very easily, so they stay solid. Also, pressure due to the weight of the mantle and crust, atoms are forced together as solid.
Answer/Explanation:
Photosynthesis is important for all living organisms because it provides the oxygen needed by most living creatures for survival on the planet.
C is the correct anwser because it proves how we are very dependent on chemicals.
To respond to your answer the answer would be False the correct answer would be M<span>oriane Can I be Brainlest please anymore questions let me know!!
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