Use the Accompanying Figure

question 8

Multiple Choice

$\begin{array}{|l|c|c|}\hline {\text { Item }} & \text { Quantity Needed } & \text { Cost } \\\hline 8 \text { Spark plugs } & 1 \text { set } & \$ 31.84 \\\text { Spark plug wires } & 1 \text { set } & \$ 73.92 \\\text { Distributor cap } & 1 & \$ 24.16 \\\text { Rotor } & 1 & \$ 9.10 \text { each } \\\text { Labor } & \text { Flat rate } & \$ 80.00 \\5 \% \text { sales tax on } & & \\\text { parts only } & & \\\hline\end{array}$ Use the accompanying figure. How many more feet does it take to stop a car at 30 mph than at 20 mph?

• A) 10
• B) 20
• C) 30
• D) 40

---

Definitions:

Topography

The arrangement of the natural and artificial physical features of an area, including its relief and the position of its features.

Artesian Well

A well tapping a confined aquifer, where the water pressure is sufficient to bring the water to the surface without pumping.

Water Table

The level below which the ground is completely saturated with water, marking the boundary between the unsaturated soil and the groundwater.

Water Table

The upper surface of the saturated zone in the ground where the soil or rocks are permanently wet, marking the boundary between surface water and groundwater.