Thunderstorms usually occur at cold fronts.
Earth's lithosphere. Earth's lithosphere includes the crust and the uppermost mantle, which constitute the hard and rigid outer layer of the Earth. The lithosphere is subdivided into tectonic plates. ... The lithosphere is underlain by the asthenosphere which is the weaker, hotter, and deeper part of the upper mantle.
<span>In the 10 years that Sheikh Mohammed bin Rashid has been Ruler of Dubai, the emirate has not only defied a global economic crisis, but emerged from it bigger, better, stronger, smarter – and happier.</span>
