Final answer:
A borrow pit is a hole or excavation used to extract materials like sand, gravel, or soil for construction purposes.
Step-by-step explanation:
A borrow pit is a term used in geography to refer to a hole or excavation that is made to extract materials like sand, gravel, or soil for construction or other purposes.
These pits are typically temporary and are created by digging out the material from the earth's surface. The extracted materials are then used elsewhere, such as in the construction of roads, buildings, or other infrastructure projects.