Turn on the water supply to ensure that you have adequate water pressure,between 5-145 PSL. ...you have adequate water pressure,between 5-145 PSL.(step 1) the u

Turn on the water supply to ensure that you have adequate water pressure,between 5-145 PSL.
"...you have adequate water pressure,between 5-145 PSL."(step 1)
the underlined word is synonymous with....
a.sufficient
b.higt
c.low
d.excessive