What is one disadvantage of using plasma gasification to detoxify hazardous waste?
A. mobility
B. toxic ash production
C. cost
D. groundwater contamination
E. low energy use
Answer: C
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What factor has prevented Caribbean countries from reaping the full benefits of their extensive investment in education?
A) drug trafficking B) the continuing importance of the informal sector C) brain drain D) offshore banking and online gambling E) high levels of illiteracy among Caribbean youth
The impulse-momentum relationship Ft = change in mv, applies to a fast-moving baseball hitting a bat with a force F. Then t in the equation is the time
A. of reflex as the bat responds to being hit. B. of contact of the ball and the bat. C. the ball falls before hitting the player. D. all of the above
The United States government supports the development and export of film and television because
A) they are entertaining to watch. B) American films are responsible for 50% of total box office receipts. C) it exports American culture to other countries. D) they generate wealth and jobs for Americans.
The production and collection of raw materials constitute this sector of employment.
A) primary B) secondary C) tertiary D) quaternary E) quinery