If the CO2 content of soil air is 3.5%, it is 100 times higher than that of the atmosphere

Indicate whether the statement is true or false


TRUE

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A solar-powered personal aircraft with VTOL ca­pability has been under development for the past 30 years by a group of engineers and physicists. SPPAV, as the plane will be termed, is expected to be available for its final test flight in exactly 3 years from now. Over the previous 30 years, a total of $100 million has been spent in its development. Assuming the $100 million was spent in an equal amount each year, and assuming an interest rate of 10%, determine the following:

(a) The value of the total investment now, after the 30 years. (b) The value of the total investment at the ex­pected time of the final test flight in three more years, assuming the same amount is spent for each of the next three years. (c) The value of the total investment at the ex­pected time of the final test flight in three more years, assuming that twice the amount is spent for each of the next 3 years than that for the previous 30 years.

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Maytag’s washing machine advertisements emphasize that they rarely need repairs. Which

dimension of quality is being highlighted?

a. Features b. Reliability c. Durability d. Serviceability e. None of these

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After a TP sensor has been tested using the min/max function on a DMM, a reading of 5 volts is displayed

What does this reading indicate? A) The TP sensor is open at one point during the test B) The TP sensor is shorted C) The TP sensor signal is shorted to 5-volt reference D) Both B and C are possible

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Flare nut wrenches are used to ____.

A. tighten or loosen nuts on copper tubing B. open or close refrigerant service valves C. tighten nuts that cannot be reached with other wrenches D. remove hex head screws from refrigerator cabinets

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