<span>Magma that reaches the surface is referred to as lava.</span>
A glacial valley cross-sectional shape is a U shape whereas a stream valley is usually a V shape. The U shape comes from the scouring action of the alpine glaciers which carries rocks with it which can abrade the walls of the valley and the glacier occupies the whole valley so scours out such a shape whereas the stream cuts down and water washes in from the sides of the valley into the stream or river creating the V shape.
One of the best things someone who has experience a tsunami can do s to try to understand and think about the situation that has happpened, how he or she has reacted to it and how he or she could have reacted to the situation. This advice of course talks more about the mental aspect rather than the actual physical one.
which language r u ask in??