A pierced lip is a sore that is open making it easier for infections to set in. Touch as less as possible and when you touch make sure your hands are clean. Most workplaces do not approve of piercing do take that into consideration while getting it done. Do be careful when you eat.
A V-shaped valley forms through a geological process called erosional downcutting in which a strong and fast moving river or stream erodes or cuts a path through rock. A V-shaped valley may also be referred to as a river valley.
Erosion by Slow-Flowing Rivers. Rivers flowing over gentle slopes erode the sides of their channels more than the bottom. Large curves, called meanders, form because of erosion and deposition by the moving water. The curves are called meanders because they slowly âwanderâ over the land. You can see how this happens in Figure below and at the link below. [Insert a link to an animation showing how a meandering river moves over the surface.]