When Water Flows Across Farm Land, Some of the Soil

Multiple Choice

When water flows across farm land, some of the soil is washed away, resulting in erosion. An experiment was conducted to investigate the effect of the rate of water flow (in liters per second) on the amount of soil washed away (in kilograms) . The data are given in the following table:
?
?
$$\begin{array} { | l | l | l | l | l | l | } \hline \text { Flow rate } & 0.31 & 0.85 & 1.26 & 2.47 & 3.75 \\\hline \text { Eroded soil } & 0.82 & 1.95 & 2.18 & 3.01 & 6.07 \\\hline\end{array}$$ What is the best description of the association between flow rate and amount of eroded soil?

A) Positive
B) Negative
C) Neither positive nor negative