Moist mulch against the trunk of trees can cause injury from moisture and microbes. What size should the mulch-free zone be around older trees?
a. 8 to 12 inches c. 4 to 6 inches
b. 6 to 8 inches d. 2 to 4 feet
Question 2
What important factor guides the selection of suitable outdoor furniture?
a. theme and style of the room c. neighbor's furniture
b. color of the house d. type of lawn