Question

select all that apply
what are two main reasons for tilling (the process of turning soil over before planting a crop)?
to increase the amount of organic matter
to make soils less prone to erosion
to remove weeds
to improve irrigation

Explanation:

Tilling can uproot weeds and also improve soil structure which in turn can enhance irrigation (by allowing water to penetrate better). Increasing organic matter is more about adding compost etc., not just tilling. Tilling actually makes soil more prone to erosion as it disrupts soil structure.

Answer:

To remove weeds, To improve irrigation