48. Herons sit on the buffalo's back because __________. (A) it's skin is thick, it doesn't know that the herons are on its back (B) heron has long legs. (C) the heron is light in weight. (D)the movement of the buffalo facilitates the feeding of the heron.
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Answer:
(D)the movement of the buffalo facilitates the feeding of the heron.
Explanation: