Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
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Your heart beats over 36 million times a year.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Spanish water dog (Perro de agua español).
The effects of alcoholism on the body systems.
A blow-off valve is used in some turbocharged systems to relieve boost pressure during ...
Water shortages, reduced agricultural capacity & coastal inundation are common themes