B) is the answere
because it is nigeria and it is a weak government in that country they speak many languasges
The disease has infected a few people, spread out over a large distance because Cholera can't suddenly spread, it infects few people and then spreads rapidly.
At the North and South poles the cool air sinks, and moves towards the equator. The dry air moves to the higher attitude, with trade winds.
Answer: Kerogen
Explanation: a Kerogen is an organic substances that helps to permeate (has pores which allow the inflow and outflow of certain substances like air or watee)oil shells, Kerogen has not net been converted to oil.Kerogens are waxy in nature with complex structures,Kerogens can not be extracted using organic Kerogens also contain Sulfur and Nitrogen. Kerogen contains Hydrocarbons in the form of paraffin which disolves under high temperatures and pressure into substances similar to petroleum.
