The mouth of a river is where it empties into another river, a lake, a sea, or an ocean.
mouth
Caves, rivers.
A delta
The Persian Gulf.
Deltas are found at the mouth of rivers
a river gets wider from source to mouth a river gets deeper from source to mouth a rivers load gets smoother from source to mouth a rivers load gets smaller from source to mouth the velocity of a river stays the same from source to mouth
Deltas form at the mouth of rivers.
Persian Gulf.
Ice
NO there lakes not rivers
by the city oF SHANGHAI TKL
Deltas form at the mouth of rivers.