What determines the size of a mineral crystal formed from magma?

Scientist believe that earths core is around 6000°c where does this heat come from

Which of the following is an example of relocation diffusion

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation