Which of the following statements is TRUE, according to the passage? A. The surrounding noise always enhances the meaning of birdsong. B. The mechanism of bird singing holds two important f
Which of the following statements is TRUE, according to the passage?
A. The surrounding noise always enhances the meaning of birdsong.
B. The mechanism of bird singing holds two important functions.
C. In the UK, 20% of the animals and plants are on the brink of extinction.
D. The Queen’s University Belfast’s report has no actual significance.