Leg pain may be caused by a problem in the leg, but often the root cause of the problem starts in the lower back, where the sciatic nerve originates, and then travels along the path of the nerve (called sciatica).
Define surf: the swell of the sea that breaks upon the shore; the foam, splash, and sound of breaking waves â surf in a sentence the swell of the sea that breaks upon the shore; the foam, splash, and sound of breaking wavesâ¦
A wave is a way in which energy travels from one place to another. There are many kinds of waves, such as water waves, sound waves, light waves, radio waves, microwaves and earthquake waves. All waves have some things in common. The highest point the wave reaches is called the crest.