B, they are floating on the asthenosphere, which is a layer below the lithosphere that acts somewhat like melted plastic.
<span>The four main forms of river erosion. Hydraulic action - the force of the river against the banks can cause air to be trapped in cracks and crevices. The pressure of the action weakens the banks and gradually wears it away.</span>
Answer:
<u>The planets all formed from this spinning disk-shaped cloud, and continued this rotating course around the Sun after they were formed. The gravity of the Sun keeps the planets in their orbits. They stay in their orbits because there is no other force in the Solar System which can stop them.</u>
The answer is Russia
In August 2007, Russian Navy made a record-breaking dive to the Lomonosov ridge, which lies 2.5 miles beneath the North Pole
It was a symbolic move designed to show that Russia is claiming stake to the underwater ridge, which they say is connected to their continental shelf.
Many other countries are trying to claim the land including Canada, but the move by Russia was shown as the reminder that Russia can and will use its naval technology to claim Territory it considers vital to its national interests.
The ridge is home to billions of barrels of oil With melting ice caps it is becoming increasingly easier to exploit these regions and Russia wants to make sure it can benefit from this early on.