Question

Upwelling replaces _______ nutrient-poor surface water with ________ nutrient-rich deep water 

A.Salty,less salty
B.Cool,Warm
C.Salty,Saltier
D.Warm,Cool

Answer 1

d is the one you are looking for the first blank is warm the secont one is cool so the awser would be d hope it helps and good luck

Answer 2

First blank is warmer

Lst blank is cooler.