What is the process by which hazardous materials travel through body tissues until they reach the bloodstream?
a. Osmosis
b. Absorption
c. Ingestion
d. Permeation
Answer: b. Absorption
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Why might the era we live in today one day be called the "Anthropocene"?
A. Because humans are the dominant life form on Earth at present. B. Because humans are causing significant changes to the planet. C. Because humans population is increasing rapidly.
The discovery of what resource near Butte, Montana caused a huge boom in the region in the 1880s and 1890s?
A) Oil B) Coal C) Precious metals D) Uranium
In eukaryotic cells where is DNA found?
A) in the cytoplasm B) in the endoplasmic reticulum C) in the lipid bilayer D) in the nucleus
Which policy supports the legalization of some illegal immigrants according to various criteria?
a. open door b. refugee rectification c. inclusivity d. amnesty e. rejuvenation