- Grade 11 and 12 Mathematics (Moderator: geoffrey)
|
Author Question: Solve the problem by applying the Fundamental Counting Principle with two groups of items. There are ... (Read 85 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Vaccines prevent between 2.5 and 4 million deaths every year.
Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.