I think a good option is corruption: It is a widespread phenomemon in Nigeria and it is found on almost all levels of governance.
Also a problem was the inability of the government to pay the country's debt (this is probably partially connected to corruption too). (or at least to controll it somehow)
A is the answer. because it's the open question
Answer:
The theme of movement examines this and is one of the most essential parts of geographical exploration. It deals with the examination of immigration, emigration, populations, and distribution in the regions and countries of the world.Movement deals with studies of population immigration, emigration, and distribution in the countries of the world. It is this physical movement of people that has allowed the human race to inhabit all the continents of the world, explore the depths of the oceans and land on the moon.This theme studies movement and migration across the planet. The emigration of Syrians during war, the flow of water in the Gulf Stream, and the expansion of cell phone reception around the planet are all examples of movement.
Answer:below Uchenna's absolute threshold
Explanation:An absolute threshold refers to the lowest level of stimulus that we can detect half the time.
It is used in neuroscience and during experiment in order to see what level of stimulus is an individual able to detect using their sense this involves detecting sound,taste,sight,smell and touch. For example for sound detection , a person hearing may vary with varying levels of volume, the lowest volume that one is able to hear
half the times is called absolute threshold.
