The answer is Waterfalls because it is leaving harder rock for the water to spill over.
Also a gorge, a sink hole, and a cave.
Only if the rock it is over is incredibly durable. I'm not sure there exists rock that won't slowly erode when water runs over it quickly enough.
That is a very good question. If when you say petra you are talking about the narrow gorge or canyon of sandstone walls then yes petra is a landform. The word petra means rock. If you are talking about the tombs and architectural structures like El Dier that were carved out of the rock by ancient civilizations then no petra is not a landform. Landforms are created by various geological forces not by humans.
That is how the landform panned out as the sea rose.
Water infiltrates the ground and seeps downwards through the soil. When it meets a layer of rock, then (i) if the rock is highly permeable by nature (sandstones, etc) the water will saturate the rock. It will also saturate highly fractured rock, so it's possible for igneous rock such as granite to form an aquifer. The best combination is highly fractured, permeable rock. (ii) if the rock is impermeable (unfractured granite, for example) the water will "pool" on top of this - it is a confining aquifer. So we can get permeable rock layers (saturated with water) sitting above impermeable layers (that prevent the water sinking any lower) , and this is how we get groundwater. It's possible for groundwater to flow, and a lot of groundwater eventually flows into streams and rivers.
An evaporite is a sedimentary rock that is soluble in water. It occurs where there is a lake that evaporates more quickly than rain or river water enters the lake. The water evaporates and the rich mineral sediment becomes a rock or a crystal.
The landform is called a wave-cut cliff, or wave-cut platform, where a flat rock area extends into the sea, at or near the water level.
The water bashes against the rock and throws little rocks at the big rock eroding away the big rock causing a cave x
The largest of all landforms
a stream eroding the rock
it deposits dust and other molecule found in the rock
Wave-cut cliff
Wave-cut cliff
They are both eroding rock particles.
It falls in the cracks as water and freezes. As it freezes, it expands, eroding what ever it fell into, whether its concrete or rock.
there made of rock
The gradient of a stream effects the energy as it has eroding soil and rock. This happens because depending on the pressure of the water flow, it can erode soil and rock.
Niagara Falls retreats as water flows it picks up loose rock, sand and dirt; eroding the surface back upstream.