Answer:
west to east- second choice
The four tools mapmaker use are:
Direction
Legend
Title
Diagram
So, first of all let me explain the process of hydration to you.
The water causes the hardening of concrete through a process called hydration. Hydration is a chemical reaction in which the major compounds in cement form chemical bonds with water molecules and become hydrates or hydration products.
Considering this information, the answer is D.
Gulf coastal plains, Interior Lowlands, The Great Plains, and the Basin & Range
Hope this helped (: