Did you know?
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.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
The Phanerozoic Oxygen Isotope Record of Seawater
Flexible cooling fan blades change shape as the engine speed changes.
Historical Climate Change "تغير المناخ التاريخي"
Ice cores: Periods of rapid climate change especially in North Atlantic
Planning, Implementing, & Evaluating Health Promotion Programs: A Primer (6th Edition)
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur