In an experiment, a line graph can be used to display the results of the experiment. A line graph, which posseses two axis namely: x-axis or horizontal axis and y-axis or vertical axis, can be used to show the relationship between the independent and dependent variables in an experiment.
The independent variable, which is the variable subject to change is displayed on the X-axis while the dependent variable is displayed on the vertical or Y-axis.
Soil conservation involves protecting the soil layers and preventing erosion. Soil conservationists are very concerned with the topsoil, but take all layers into account.