Discuss the Minnesota Mining and Manufacturing (3M) company's Pollution Prevention Pays program
What will be an ideal response
This program was instituted in 1975 by 3M. Between 1975 and 1998, the overall waste production of 3M was decreased by one-third. The air pollution emissions per unit of production were decreased by 70%. The company saved more than $750 million in waste disposal and material costs.
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If a gas is heated to a higher temperature and the pressure does not change,
A) the pressure will decrease. B) the temperature will increase. C) the density will decrease. D) the density will increase.
A railroad diesel engine coasting at 10 km/h runs into a stationary flatcar. The diesel weighs four times as much as the flatcar. How fast do the cars move when they stick together upon collision?
What will be an ideal response?
Insolation reaching the surface of the earth:
A) is all absorbed by the earth. B) represents about 50 percent of the amount that was at the top of the atmosphere. C) is unaffected by Earth's albedo. D) has not yet been affected by backscattering.
What is not a factor on the salinity of a particular region of ocean?
A) Evaporation B) Precipitation C) Freshwater run-off from the continents D) Saturation levels