Pests & FacilitiesCâu 126 / 240
Which of these is a sign of a rat infestation, a major concern in NYC?
a.Freshly painted walls
b.Burrows near the foundation and large droppings the size of a raisin
c.A faint lemon scent in the dining room
d.Neatly stacked, sealed containers
Giải thích
Rats leave large droppings (about the size of a raisin), dig burrows near foundations and walls, gnaw large holes, and follow greasy runways. Spotting these signs requires immediate sanitation and a licensed exterminator. A pleasant scent, sealed storage, or fresh paint are not infestation indicators.
Luyện miễn phí toàn bộ 240 câu hỏi — không cần đăng ký.
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