After an earthquake or other natural disaster, what do people need to do to their homes?

Your teacher is also known as this, since he or she builds your knowledge about math, reading, science, and history.

Something that stands in your way could be called what?

What is another word for misunderstanding something?

The structures within a building site that are often not even seen are part of what?

A flood can wash away an entire town, creating this on a massive scale.

What do you call something that is built on top of something else?

You are in school to learn from this.

This form of work involves building homes and office buildings.

Some homes have basements, which may be considered to be these.