Because of gravity... if you want a more detailed answer look it up on google!
Unless you have some classified the answer is no. United Stated and Russia are not in an official Cyber War, although I would not be surprised if we would soon find out they are going at one another through those means.
Ferromagnesian vs. non-ferromagnesian
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1-Contains Magnesium and Iron 1- Contains little or no Magnesium &
as major components Iron
2- Color: very dark 2- Color: Generally lighter
3- Density relatively high 3- Density relatively low
Superposition and geologic timescale support the theory because of the changes in features in index fossils of diverse periods are presumed to be caused by evolution, and the existence of different organisms in different periods is then used to support biological evolution.
