Create a graph showing the scale of objects from a baseball down to nanotubes in fi ve steps. Use objects that diff er from those shown in Figure 17.1. Make sure that each step is illustrated with a diagram or picture and that the relative size is shown for each step of the scale.
What will be an ideal response?
As you can see from Table, you could fi t more than 88 million carbon nanotubes
(a diameter of approximately 10 nanometers) side by side across a baseball’s diameter.
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U.S. development assistance ultimately decreases U.S. agricultural competitiveness, increases competition, and depresses world market prices
Indicate whether the statement is true or false
A material installation report is used to _____.
a. report how much material is installed b. figure out how much material is wasted c. find the cost of the material installed d. designate how much material should be installed
A tool that can be used to check the alignment of two pulleys is a _____.
a. dial indicator b. micrometer c. ruler d. tachometer
Technician A says that the sum of the voltage drops in a series circuit should equal the source voltage. Technician B says the current (amperes) varies depending on the value of the resistance in a series circuit. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician