The sky is pale blue in higher altitudes while it is deeper blue in lower altitudes. This is because there is more air molecule closer to earth surface (as a result of higher air pressure) than higher altitudes. The air molecules are responsible for scattering of sunlight hence giving the sky its blue hue. The more the air molecules the more the scattering.
Lower fertility rates or religion beliefs
<span>When the strength of the rock exceeded it suddenly breaks causing an earthquake </span>
Russia's ability to exert itself as a world power depends on profit to return the huge power that Russia hold in that area.
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