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Author Question: Which sentence is punctuated correctly? A) Some of the leading social network sites are Facebook ... (Read 118 times) |
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
There are more bacteria in your mouth than there are people in the world.