Because of the danger __________ pose to the environment, they have not been produced since December 1995.
A. CFCs
B. HCs
C. HCFCs
D. HFCs
Answer: A
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The green is surrounded by a ____________________
Fill in the blank(s) with correct word
One quart of used motor oil, improperly disposed of, can pollute hundreds of gallons of water
a. True b. False Indicate whether the statement is true or false
Which micronutrient element is found in the greatest quantity in most soils?
A) Cu B) B C) Mn D) Zn E) Fe
Two technicians are discussing electromagnetic induction. Technician A says that the induced voltage can be increased if the speed is increased between the conductor and the magnetic lines of force. Technician B says that the induced voltage can be increased by increasing the strength of the magnetic field. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician