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PET scan

(Encyclopedia) PET scan pĕt [key] or positron emission tomography pŏz´ĭtrŏn˝ ĭmĭsh´ən təmŏg´rəfē [key], a medical imaging technique that monitors metabolic, or biochemical, activity in...

supply and demand

(Encyclopedia) supply and demand, in classical economics, factors that are said to determine price, by correlating the amount of a given commodity producers hope to sell at a certain price (supply), and the a...

water supply

(Encyclopedia) water supply, process or activity by which water is provided for some use, e.g., to a home, factory, or business. The term may also refer to the supply of water provided in this way. In th...

Pets in the USA

The Question: What is the most popular pet for families to have in the United States? The Answer: As of 2011, there were more dog owners (46.3 m…

Water Supply of the World

The Antarctic Icecap is the largest supply of fresh water, representing nearly 2% of the world's total of fresh and salt water. As can be seen from the table below, the amount of water in our…

supply-side economics

(Encyclopedia) supply-side economics, economic theory that concentrates on influencing the supply of labor and goods as a path to economic health, rather than approaching the issue through such macroeconomic ...

New First Pets

Spot, Ernie, and India go to Washington by Holly Hartman This article was posted on February 4, 2000. Socks on the podium in the White House briefing room. The former First Cat …