What is the function of the structure identified by the red arrow?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

What is the cause hearing loss in human being