Question

Floodplains are most often found for rivers that exist on

highly elevated mountainous areas


areas that receive constant amounts of high rainfall


hilly areas at the base of mountains


gentle slopes and relatively flat areas

Answer 1

areas that get high rainfall... im pretty sure

Step-by-step explanation:

Answer 2

I am pretty sure that floodplains are most often found for rivers that exist on
hilly areas at the base of mountains. In order to give yoy ans example which will make sure that this answer is quite a suitable one, nice example of floodplains
is The Virgin River at the upper end of Zion Canyon. It will definitely help you! Regards.