Answer:Independent and Dependent variables
Explanation: 1. IV:fertilizer DV:grass
2.IV:salinity DV: goldfish
3.IV:minutes studied DV:effect of studying
4.IV:pesticides DV:size of apples
5.IV:amount he exercises DV:running a kilometer
6.IV:detergent DV: cleanliness of his clothes
7.IV:weight of dogs DV: puppies in litter
8.IV:time on social media DV:anxiety levels
9.IV:diet of rat DV: rats overall health
hope this helps :))