The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
dental chair
Chair made from tree
This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ...
Ergonomically correct desk, chair, and keyboard.
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
Mucosa-associated lymphoid tissue (MALT), including tonsils, adenoids, and gut-associated lymphoid ...