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Author Question: Mr. Chips hears a book dropping and continuing commotion during his lesson; he also notices the ... (Read 36 times) |
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.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.