Question

which of the following can cause birds to migrate from one place to another
(a) extreme weather conditions
(b) lack of food
(c) rise in population
(d) both (a) and (b)​

Answer 1

Answer:d.both (a) and (b)Explanation:response to changes in food availability, habitat, or weather.hope this answer will help u

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Answer 2

Answer:

c)both (a)&(b)

Explanation:

if the birds can't face extreme weather conditions& there is lack of food in that area the birds have to move perhaps they would die. By rise of population birds need not move they can get plenty of food from that area