Vertigo is a specific type of dizziness experienced as an illusion of movement of ones self or the environment. Some experience dizziness in the form of motion sickness, a nauseating feeling brought on by the motion of riding in an airplane, a roller coaster, or a boat. Dizziness, vertigo, and motion sickness all relate to the sense of balance and equilibrium. The inner ear (also called the labyrinth), which monitors the directions of motion, such as turning, rolling, forward-backward, side-to-side, and up-and-down motions.
NORTHERN HEMISPHERE Nigeria is in the Northern Hemisphere on the continent of Africa. NORTHERN HEMISPHERE Nigeria is in the Northern Hemisphere on the continent of Africa.
The United States is the largest foreign investor in Nigeria, with U.S. foreign direct investment concentrated largely in the petroleum/mining and wholesale trade sectors. U.S. exports to Nigeria include wheat, vehicles, machinery, kerosene, lubricating oils, jet fuel, civilian aircraft, and plastics. Nigeria is eligible for preferential trade benefits under the African Growth and Opportunity Act (AGOA). U.S. imports from Nigeria include crude oil, cocoa, cashew nuts, and animal feed. The United States and Nigeria have a bilateral trade and investment framework agreement. In January 2016, U.S. Secretary of Commerce Penny Pritzker visited Nigeria on a fact-finding mission with senior U.S. business executives who comprised the Advisory Council on Doing Business in Africa.