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Author Question: As ice is changed to water, energy is A) given to the ice. B) taken from the ice. C) neither of ... (Read 10 times) |
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.