Which of the following building features inhibit fire protection efforts?

In the United States, most commercial building fires are now extinguished with:

The advantage of using inerting gas and clean-agent fire-suppression chemicals over water is that:

The normal concentration of oxygen in air is:

As the state plane coordinate system develops a coordinate system for each local region, “local” (within state) mapping should use the state plane system to avoid any distortion at the local scale.

When do we points, lines, and polygons in vector data representation?

What are needed to define a location of the Earth using the most common spherical coordinate system? (This is not an essay – simply state the answers)

This is a valid latitude or longitude (possible on the surface of the Earth): S 45° 36′ 75″

Data models of the world 

This is a valid latitude or longitude (possible on the surface of the Earth): N 89° 14′ 10.113″