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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Competition can be (a) direct, or (b) indirect interaction among individuals of the same or differen Competition can be (a) direct, or (b) indirect interaction among individuals of the same or differen
A farmer with a pitchfork, wearing a hat identifying him as a Granger, warns of an oncoming “Consoli A farmer with a pitchfork, wearing a hat identifying him as a Granger, warns of an oncoming “Consoli
Holland’s six basic types of people based on vocational interests (attitudes, abilities, and ... Holland’s six basic types of people based on vocational interests (attitudes, abilities, and ...
Both individuals and organizations do impression management, trying to communicate messages about ... Both individuals and organizations do impression management, trying to communicate messages about ...
Use the information in the above table to establish a Born-Haber cycle to determine the ... Use the information in the above table to establish a Born-Haber cycle to determine the ...
Survivorship curves for people in the United States in the early 20th and early 21st centuries Survivorship curves for people in the United States in the early 20th and early 21st centuries
Video: Mechanisms of capillary exchange (transcytosis & bulk flow)

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