This toxic chemical binds very easily to red blood cells
A) sulfur dioxide.
B) sulfur trioxide.
C) lead.
D) ozone.
E) carbon monoxide.
E
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Prior to 2010, why was the CERCLA program so successful at convincing companies to stop polluting?
A. It forced the responsible companies to pay for the cleanup costs. B. It forced the taxpayer to pay for the cleanup costs. C. It forced the responsible companies to move to other countries. D. It encouraged citizens to stop buying products from polluting companies.
Which of the following describes what a liquid thermometer will do when held in direct sunlight?
A. It will measure a much lower temperature than that of the air. B. It will not be able to maintain a constant measurement. C. It will accurately measure the air temperature. D. It will measure a much higher temperature than that of the air.
Which of the following is the best way to classify cytokines?
A) their mode of action B) their origin C) their structure D) their target
Evidence for the impact that occurred near Chicxulub, Mexico, includes all but which of the following?
A. Large pieces of the suspected meteorite have been found in Mexico. B. Quartz grains with shocked crystal structures indicate a short and violent impact. C. Sand-sized spherules of minerals suggesting a melting and resolidification of rock. D. The K/T boundary clay have a different composition from clay in the limestone layers above and below it. E. There are iridium anomalies at roughly 100 sites worldwide in a thin layer of rock 65 million years old.