When we first checked out our new headphones, we noticed the box said “improved bass”. We had to wonder if this was marketing jargon or the real thing? But it only took a moment to realize that bass was not kidding.
Rock can fold symmetrically.
A mountain is a large landform that stretches above the surrounding land in a limited area, usually in the form of a peak. A mountain is generally steeper than a hill. Mountains are formed through tectonic forces or volcanism. These forces can locally raise the surface of the earth.