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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.
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The horizontal fraction bar was introduced by the Arabs.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Excessive alcohol use costs the country approximately $235 billion every year.