Examlex
Bacteria and archaea are the only organisms capable of converting the element ________ between its oxidation states.
Cussing
The act of using swear words or profanity in speech or writing, often used to express strong emotions or for emphasis.
Shaping
A method in behaviorism used to train or teach new behaviors by successively rewarding closer approximations to the desired behavior.
National Zoological Park
A government-operated zoo located in Washington D.C., focused on wildlife conservation, education and providing a home for animals from around the world.
Polar Bear
The polar bear is a large bear species native to the Arctic region, characterized by its white fur, which is used as camouflage in its snow and ice-covered habitat, and primarily feeds on seals.
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