A coral reef, a intricate aquatic community of plants and animals, is found only in warm, shallow, sunlight seas

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• The Library of Congress, located in the nation’s capital, houses history documents and photographs as well as most books published.

• The local economy which once used to be in crisis now depends to a great extent on menial jobs provided by the recent development of ecotourism.

• Dinosaurs are traditionally classified as cold-blooded reptiles, but recent evidence based on eating habits, posture, and skeletal structural suggests some may have been warm-blooded.

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• Medical research indicates that large amounts of Histamines can responsible for cold, high fever, and other respiratory reactions.

• That it is believed that most of the earthquakes in the word occur near the youngest mountain ranges – the Himalayas, the Andes, and the Sierra Nevada.

• Because of it consists only of a relatively short strand of DNA protected by a shell of Protein, a virus cannot eat or reproduce by it self.

• All almost the electricity for industrial use comes from large generators driven by steam turbines.

• A City University Professor reported that he discovers a vaccine which has been 80 % effective in reducing the instances of tooth decay among small children.

• Although she is 103 but, she still does a lot of work in the flat.

• The function of pain is to warn the individual of danger, so he can take action to avoid more serious damage

• .......... chair which you are sitting in is broken. 

• Consequently the kit fox is an endangered species, wildlife experts in the California desert are using carious methods to protect it.

• The workers are building a new bridge which is 150 meters in high.

• Chocolate is prepared by a complexity process of cleaning, blending and roasting cocoa beans, which must be ground and mixed with sugar.

• An octopus has three hearts to pump blood throughout their body.

• The geology professor showed us a sample about volcanic rock which dated back seven hundred years.

• The most common form of treatment it is mass inoculation and chlorination of water sources

• Sue bought a CD player last week and she’s been listening to music ever since then

• Most Polar seals retreat to open water during the winter, but a few types have learn to survive on and under the ice all year round.

• To receive a degree from an American university, one must take many courses beside those in one’s major field.