... Guadalajara, Monterrey and Puebla, have undergone sharp increases in population in the late 20th century and into 2001. Despite the fact that education spending has raised dramatically, given increased enrollment, a net decline has occurred in per student expenditures. The Mexican government concedes that despite this progress, two million children still do not have access to basic education. The literacy rate of ... ...

• Word Count: 10291
• Approx Pages: 41
• Has Bibliography
• Grade Level: High School

... . There is a substantial snow buildup in the northern part of the zone, which diminishes greatly to the south. SOILS. Grasslands are typically underlain by chernozems, soils that are alkaline because net water movement within them has been upward, carrying calcium with it which precipitates as calcium carbonate. Prairie chernozems are blackish in their upper horizons because of the constant decay of ... ...

• Word Count: 12375
• Approx Pages: 50
• Has Bibliography
• Grade Level: Undergraduate

... it has created a new concern in pesticide use. Sea lice often attack farmed salmon, causing scarring, infection and, sometimes, death. To eliminate them, the salmon are confined by a closely drawn net and surrounded by a tarpaulin. Dichlorvos, which is the active ingredient in the familiar household pesticide strips, is then added directly to the water. At present, the environmental effects of this ... ...

• Word Count: 2580
• Approx Pages: 10
• Grade Level: Undergraduate