The purpose of an Eco-Machine is to ________
A) reduce municipal water use
B) treat wastewater
C) treat saltwater
D) create graywater
E) simulate photosynthesis
Answer: B
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In the 110-V circuit shown,
A) 110 C of charge flow through the lamp every second. B) 110 J of energy are converted to heat and light in the circuit every second. C) 110 J of energy are given to each coulomb of charge making up the current in the circuit. D) 110 J of energy are shared among all the coulombs in the circuit at any instant. E) none of the above.
What is a wave period?
A) The horizontal distance between two successive crests or troughs B) The number of waves passing a fixed point per second C) The time for a wave to move the distance of one wavelength D) The end of a wave train
Which of the following factors shape a firm's location?
A) labor B) land C) capital D) all of the above E) only land a capital
Which country gets approximately 97% of its drinking water through the process of desalinization?
A) Israel B) Yemen C) Iraq D) Egypt E) Qatar