Examlex
A salt of a polyprotic acid such as NaHCO3 cannot act as a source of an acid.
Pacific Ocean
The largest and deepest of the Earth's oceanic divisions, extending from the Arctic in the north to the Southern Ocean in the south.
Sacajawea
A Lemhi Shoshone woman who is best known for her role as a guide and interpreter for the Lewis and Clark expedition in the early 1800s.
Lewis and Clark
refers to Meriwether Lewis and William Clark, who led the early 19th-century expedition across the western United States, commissioned by President Thomas Jefferson.
Shoshone Indian
A member of a Native American tribe originally living in the western United States, known for their nomadic lifestyle.
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