Please rephrase - the question is unclear.
yes rivers form slowly
Some people think that rivers form canyons, but in fact, the canyons form the rivers
No.
The plural form of the noun river is rivers.The plural possessive form is rivers'.Example: The Monongahela and Allegheny Rivers' confluenceforms the Ohio River.
the lakes and rivers form together and make rivers and lakes and that is what form the fjords
The plural form of the noun river is rivers.
The plural form of the noun river is rivers.The plural possessive form is rivers'.Example: The Monongahela and Allegheny Rivers' confluence forms the Ohio River.
The two rivers that form the Ohio River are the Alleghenyand Monongahela rivers.
Deltas form at the mouth of rivers.
Deltas form at the mouth of rivers.
The Allegheny and Monogahela rivers joinb at Pittsburgh to form the Ohio River.
The passive form of produce is "produced."