In grading bunding for medium rainfall areas, the slope of the line should be: ((MCAER 2014))

✅Explanation: A mower is specifically designed to cut grass and other herbaceous plants into swaths, which are long, narrow rows of cut material.

📌Other Options Explanations:
-B. Harvesters are used to harvest the crops.
-C. Threshers are used to separate grains from their stalks.
-D. Balers are used to compress hay or straw into bales.