question: Given the fact "a skinny beak is used for obtaining food by a bird from small spaces", what is the answer to "Hummingbirds gather nectar using their"

answer: bills

question: Given the fact "burning a living thing usually causes harm to that living thing", what is the answer to "When the Mountain held the Hound's face to the fire, it caused"

answer: scars

question: Given the fact "as population of predators decreases , the population of prey will increase in an environment", what is the answer to "a decline in the number of predators often leads to"

answer: a rise in the number of prey

question: Given the fact "the mantle is a layer of the Earth", what is the answer to "the mantle is"

answer:
a level of our planet