- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: If A and B are any two events of a sample space S, then P(A) = P(A and B) - P(B). Indicate whether ... (Read 25 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
The familiar sounds of your heart are made by the heart's valves as they open and close.
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.