One of the most common and essential ways that modern cities have become more livable is by
A) shifting emphasis from personal automobiles to public transportation.
B) decreasing the density of the population throughout the cities.
C) eliminating all city taxes and instead relying upon federal aid.
D) requiring all citizens to perform monthly community service.
Question 2
Sustainable soil conservation requires
A) that developing countries maximize short-term strategies for immediate benefits.
B) long-term effective farming practices by individual landowners and sound public policy.
C) individuals to work for the immediate benefit of their particular interests.
D) an understanding of the natural ability of soils to recover quickly from degradation.
Diagram of the Twenty Essential Amino Acids
Common structural features of bacterial cells
Common hydrogen bonds in biological systems
Ways to prevent heat waves
Common Prefixes of the Metric System
Common Sources of Carbon Monoxide