- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: If a rock falls from a height of 50 meters on Earth, the height H (in meters) ... (Read 132 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.