A valley typically is created by erosion, either by water or a glacier. I suppose a valley could also be created as two tectonic plates separate, such as the Great Rift Valley.
they create trenches underwater, valleies and other things like the Great Rift Valley of the Marianis Thrench
fog or mist and all tee dust
the land between the two plates starts to create a valley
Two eggs and Two Sperm.
heat and pressure.
Snow and strong winds mix together to create a blizzard.
The thing you're talking about are two different things;for farmers, the AAA or Agriculture Adjustment Act helped them and the reactivating a hydroelectric power was the TVA or the Tennessee Valley Authority.
Snow and wind;D
Valleys are the lower and flatter area between two hills or mountains. In the Philippines, there are a lot of valleys and the three of those are Cagayan Valley, Compostela Valley, and Allah Valley.
Diabetes will make it harder to over come the Valley Fever. When two or more diseases are in the same person, it can make things more difficult to recover.
These is a rule of Physics, "matter can neither be created or destroyed".
The low ground between two hills is called a valley.