The headquarter of World Meterological Organisation is based in which country?

The headquarter of World Meterological Organisation is based in which country?A. Washington, USA
B. Geneva, Switwerland
C. Berlin, Germany
D. Delhi, India

Headquartered in Geneva, Switzerland, the WMO is governed by the World Meteorological Congress, composed of member states, which meets every four years to set policies and priorities.