Which model of earth's interior does it have?

What does ground to dust mean? What are the importance of these organic compounds in the cells and tissues of living things? What does which freezes faster sugar water or plain water mean? What are some names of small magnets? What is the function of radical in seed? How do charged particles create lightning? What is before the big bang? Why planets' orbits are elliptical and not circular? What organelle provides cellular energy? How long is France between farthest point north from farthest point south? How far is the nearest active volcano to Oklahoma? What affect solubility and explain? What organelles does the cell not hold? At what kind of boundary does oceanic lithosphere plunge beneath and overriding continental plate? What is magnesium sulfate? What is up with the chemical elements? How cold is it up at the north pole? Why longitude shaped like an orange slice? What are the symptoms of ogden syndrome? What are two countries above and below the 10 degree isotherm?