Which one of the following is a secondary pollutant?
A) sulfuric acid B) particulate matter C) volatile organics D) carbon monoxide
A
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Which biome has, thus far, experienced the greatest conversion to farmland on a worldwide basis?
A. temperate forests B. tundra C. tropical grasslands D. boreal forests
The eastern United States falls under which of the following terrestrial biomes?
A) midlatitude grasslands B) temperate rain forest C) mid-latitude broadleaf and mixed forest D) needleleaf forest
Prior to WWII, people living in cities in the United States enjoyed
A) a housing boom. B) more widespread use of walking, bicycles and public transportation. C) increasing quality of public housing. D) improving air quality.
Which of the following best matches the description?Compound with a low number of hydroxyl ions or low pH.
A. ion B. kinetic energy C. neutron D. proton E. isotope F. entropy G. nucleus H. potential energy I. pH J. latent heat K. combustion L. base M. enzyme N. acid O. respiration P. photosynthesis Q. electron