Lava is mantled rock that is found under the surface of earth and is able to rise up because it is less dense than the solid rock around it. true or false

Triangle xyz is translated 4 units up and 3 units left to yield triangle x'y'z' what is the distance between any two corresponding points on triangle xyz and trianglex'y'z' ?

What is an additional type of erosion found at the coast? what does it mean?

What is the pattern of urbanisation around the word?