|
Author Question: A strong acid tends ________. A) to be strongly polar B) to form negatively charged ions when ... (Read 71 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.