The non-linear relationship is shown in part 1 of the graph. Then the correct option is B.
What is a graph?
A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.
In the given graph we can see the variation in the depth of the water with respect to time. In the first part, the relation is non-linear because the graph is curved.
In the remaining parts, there are straight lines which are showing linear relationships.
Hence, the correct option is B.
To know more about graphs follow
https://brainly.com/question/25020119
#SPJ2
