In the exclusive economic zone, the coastal State shall have the exclusive right to construct and to authorize and regulate the construction, operation and use of: (a) artificial islands; (b) installations and structures for the purposes provided for in article 56 and other economic purposes;
Infrasound may also be used for long-distance communication in African elephants. These calls range from 15â35 Hz and can be as loud as 117 dB, allowing communication for many kilometres, with a possible maximum range of around 10 km (6 mi).
Ursodiol is used to dissolve certain types of gallstones, to prevent gallstones from forming in obese patients who are losing weight rapidly, and to treat a certain type of liver disease (primary biliary cirrhosis). Ursodiol is a bile acid.