Very noticeable
Pronounced
To gather up or collect
Accumulate
To skillfully handle or control
Manipulate
An annoying problem that requires effort ot fix or solve
Hassle
Matter that settles at the bottom of a liquid
Sediment
An area of low-lying ground near a river
Floodplain
To make less severe or serious
Mitigate
With a smooth shape
Streamlined
