There are approximately 7 x 1027 atoms in the average human body. This is the estimate for a 70 kg adult human male. Generally, a smaller person would contain fewer atoms; a larger person would contain more atoms. On average, 87% of the atoms in the body are hydrogen or oxygen. Carbon, hydrogen, nitrogen, and oxygen together account for 99% of the atoms in a person. There are 41 chemical elements found in most people. The exact number of atoms of the trace elements varies widely according to age, diet, and environmental factors.
Symbols on California's Flag The once common California grizzly bear (also the official state animal) portrays strength; the star represents sovereignty; the red color signifies courage; and the white background stands for purity.
A Betsy Ross flag flying outside San Francisco City Hall, in San Francisco, California The Betsy Ross flag is an early design of the flag of the United States, popularly â but very likely incorrectly â attributed to Betsy Ross, using the common motifs of alternating red-and-white striped field with five-pointed stars in a blue canton. The first documented usage of this flag was in 1792. The flag features 13 stars to represent the original 13 colonies with the stars arranged in a circle.