A gas is expanded from an initial volume of 20.5 L at 0.92 atm at 23 °C to a final volume of 34.6 L. During the expansion the gas cools to 12 °C. What is the final pressure?

In this landscape, the location that would be best for agricultural fields is probably

A) Location A.
B) Location B.
C) Location C.
D) Location D.
E) Location E.

The average American generates about ________ of municipal solid waste each year. (1 kg = 2.2 lbs.)

A) 625 kg B) 550 kg C) 350 kg D) 725 kg E) 400 kg

The most common minerals in the Earth's crust are the ________.

A. silicates B. sulfates C. sulfides D. halides E. carbonates

The establishment stage of forest development following disturbance can be described as ________

A) tree seedlings germinating on the recently cleared ground B) trees becoming much larger and more widely spaced in the forest C) tree seedlings becoming established in the gaps in the forest D) large trees continuing to grow with the biomass of the forest increasing E) very large, old trees that are abundant