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.
Nigeria is located in western Africa, bordering the Gulf of Guinea. The country also shares borders with Chad, Cameroon, Benin, and Niger. With an area of about 923,768 square kilometers (356,669 square miles), the country is slightly more than twice the size of California.Nigeria is divided into thirty-six states and one federal territory.t rises in the Fouta Djallon of Guinea and travels in a wide arc through Mali, Niger, and Benin before crossing the border into Nigeria. Inside Nigeria, the river travels approximately 1,175 kilometers (730 miles) before it empties into the Gulf of Guinea.