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Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in
Habitat reconstruction is possible based on the kinds of plants present at past sites.
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
John Locke (1632‑1704) was a British philosopher and physician who laid the groundwork for an ...
A physician uses a portable electronic tablet to enter patient data while in the examination room.
Life Cycle Nutrition: Toddlers through the Later Years