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Author Question: The optics of rainbow formation involve A) reflection only. B) refraction only. C) both ... (Read 142 times) |
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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.
Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.