B - Senegal River. Borders Senegal and Mauritania
The density of an object or quantity of matter is its mass divided by its volume. ... Non-standard conditions can result in a change of volume, affecting the density of the materials. Also, certain temperatures and pressures can result in a change the state of the matter, which also affects the density.
A pearl harbor that was what led the U.S. to join WWII
Answer: Polynomials cannot contain division by a variable.
Explanation:
There are cliffs, bays, caves, etc...