A quality engineer is curious about the thickness of the paint on the Model A cars produced by her company. Explain how she can obtain a reliable measure of the thickness of the paint, stating clearly the characteristics of the variable she should use.

Jim has found that he must consume 2,300 calories a day to reach his health goals, but he doesn't want to give up his afternoon snack of pretzels. unfortunately, he tends to eat the entire bag — which amounts to 1,300 calories! what strategy should jim use to improve his habits?

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct

The different layers of gases that extend form the surface of the earth into space