The Neolithic Revolution is most clearly seen in human culture today in our use of
A) natural wood products from national forests.
B) furs from trapped wild animals.
C) rivers for navigation and water supplies.
D) modern agriculture to raise food crops.
D
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A student notes that a rock contains mica and plagioclase feldspar and concludes that the rock is an intermediate rock. What piece of further information could best determine if the student's conclusion was the correct one?
A) the grain size of the crystals B) the color of the rock C) the amphibole content of the rock D) the silicate content of the rock
What physical feature is needed for orographic precipitation to occur?
A) a lake B) a mountain C) a river D) a desert E) a tropical forest
At least 50% of the registered synthetic chemicals in commercial use have been screened for toxicity before being deemed acceptable for use.
Answer the following statement true (T) or false (F)
Persistent inflammation of bronchi in the lungs is known as
A. Fibrosis B. Asthma C. An upper respiratory infection D. Pulmonary toxicosis E. Bronchitis