When you think about it, the flow sewage is a form of pollution. Therefore the raw sewage would pollute their source of survival being the river which they drink, and bath from.
O degree of both latitude and longitude refer to a place off the shore of Africa, near Ghana and Gabon, and it lies within the Atlantic Ocean.
The Judicial Branch was created in Article III of the Constitution. C is the correct answer.
I would say the answer is A. Dimitri made the modern periodic table, not chemical symbols, and generally compounds do not have the same properties, for example water which is made of 2 gases.