|
Author Question: A 10-kg block on a horizontal frictionless surface is attached to a light spring (force constant = ... (Read 4762 times) |
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
The average office desk has 400 times more bacteria on it than a toilet.
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.