What could local communities do to improve their air quality? What can individuals do?
What will be an ideal response?
Enforcing air pollution laws is important for communities. Adding green spaces can be helpful as well. Maintaining
vehicle engines is important. As vehicles that use nonpolluting fuels become available and economical, we all need
to think about changing the kinds of cars and trucks we drive. Avoiding the burning of trash is another way to
improve air quality
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A substance for which ? is a constant undergoes an isothermal, mechanically reversible process from initial state 
to final state 
where V is molar volume.
(a) Starting with the definition of ?, show that the path of the process is described by: V = A (T) exp (??P ) (b) Determine an exact expression which gives the isothermal work done on 1 mol of this constant-? substance. What will be an ideal response?
The polydispersity index (PI) is similar to a ____ for normal distribution?
A. ?mean B. ?standard deviation C. ?mode D. ?median
Soils that originated from rock material are called ____
a. organic c. humus b. inorganic d. minerals
Process A has a fixed cost of $160,000 per year and a variable cost of $50 per unit. For Process B, 10 units can be produced in 1 day at a cost of $200. If the company’s MARR is 10% per year, what will the annual fixed cost have to be for Process B in order for the two alternatives to have the same annual total cost at a production rate of 1000 units per year?
What will be an ideal response?