Question

why does the author end the text by saying that the whale songremains one of the many mysteries of the deep?
a to suggest that scientists have given up on trying to find the whale
b to point out that the ocean is full of secrets like this one
c to prove that the whale is not real, but an old myth
d to hint that watkins knew the answer before he died

Explanation:

The text discusses the mystery of the 52 - hertz whale. Option A is incorrect as there's no indication scientists gave up. Option C is wrong as the text implies the whale is real. Option D has no basis. Option B aligns with the idea that the ocean (the deep) has many secrets like the whale's song.

Answer:

B. To point out that the ocean is full of secrets like this one