_____ is one of the seven factors upon which proper lawn maintenance is dependent.
A) Mowing to the proper height
B) Watering properly
C) Providing the proper amount of light
D) All of the above
Question 2
Identify the machine that pulls plugs out of the soil and leaves holes in the lawns for air and water to enter.
A) Rigger
B) Mower
C) Plugger
D) Sodder