In the context of bipolar disorder, is still widely used for the treatment of mania.

The answer is Lithium is still widely used as treatment. Society use it for medicine. Lithium is used for mental illnesses, including bipolar disorder, depression, and schizophrenia; for eating disorders, as well as anorexia and bulimia; and for blood disorders, including anemia and low white-cell count (neutropenia). 

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.

the answer would be c. sediment buildup on continental slope

                                                                                -hope this -