Answer:
Hmm.
Explanation:
<em>'Many geologists believe that as the Earth cooled the heavier, denser materials sank to the center and the lighter materials rose to the top. Because of this, the crust is made of the lightest materials (rock- basalts and granites) and the core consists of heavy metals (nickel and iron).'</em>
Hey..hope this helps u..
If heparin is absent in our blood , our blood would clot not allowing blood circulation, blocking capillaries and veins causing severe pain.
When new oceanic crust is made, it spreads out, taking up space. Scientists did not understand how new crust was not increasing the size of Earth.
