because they are in the river
The E in gentle is silent.
what is the silent letter for sword
there is no silent letters in marvel
The letter 'a' would be silent, the word being pronounced as Goht
The a is silent.
Usually dry.
sandy soil
riverbeds alone the shore
Riverbeds are most commonly made of small little pebbles that have been moved around from the current of the river. It is also made up of dirt and small pieces of gravel and rocks. Riverbeds never stay the same they are always changing.
Wadi(s)
known as a wadi
sedimenry rocks
a wash
Some riverbeds might be disappearing in America along with land due to construction. But there are some that are too big to destroy to build homes, so some are still around.
If there's grass growing there, yes.
Placer mining
There are dry riverbeds clearly visible in close-ups of Mars.