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Author Question: Which of the following are the advantages of the observational approach to collecting primary data? ... (Read 87 times) |
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
Excessive alcohol use costs the country approximately $235 billion every year.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.