Answer:
The type of weathering that occurs is abrasion.
Explanation:
Iguazu Falls are one of the highest waterfalls in the world and the biggest waterfall system in the world. The amount of water that falls down these waterfalls is enormous, and that combined with the height gives the water a lot of power. The water is carrying huge amounts of pebbles, rocks, the debris of all sorts and sizes, and they combined with the water manage to erode the bedrock.
As the water carries all of the material with it, it scratches the surface of the bedrock, and as it does it gradually makes the surface of the bedrock smooth. At the waterfalls themselves, the power with which the water and the material it carries are much bigger so they manage to create a very deep caldron-like hole in the bedrock below the waterfall, and plus smoothens its surface.
D. a new substance is formed. if it is chemical change then it is actually changing to something new. In this case a new substance is formed. It is a completely different substance from what you started out with.
Answer:
Rural to urban migration represents people moving from village to town.
Explanation:
This causes the cities to grow and to be overcrowded. People migrate from countryside to town to find better life standard. They are in search for better jobs, vivid social life and run away from rural living. Unfortunately this causes the villages to be abandoned and be forgotten.
Answer:
beccaaaaudsssewkwkowpspdpdpd
The Country which is surrounded by water on all sides are known as "Islands" and there could be many examples like: "Britain, Ireland" etc..
Hope this helps!
