There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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There are approximately 3 million unintended pregnancies in the United States each year.
Acid Rain and Power Plant Emissions
How to factor a trinomial using trail-and-error
How to factor by grouping
The growing demand for electrical power, carbon sequestration and storage must be a priority