Haber process n. The principal commercial method of producing ammonia, by direct combination of nitrogen and hydrogen under high pressure in the presence of a catalyst, often iron.
There are 50 stars. Every star represents a state. 50 stars = 50 states. There are 50 stars on the US flag, each representing a state. There are 50 stars. Every star represents a state. 50 stars = 50 states. There are 50 stars on the US flag, each representing a state.
The official banner of a state or nation, often decorated with emblems or images that symbolize that state or nation. On the U.S. flag, 13 horizontal stripes (in red and white) represent the original 13 colonies. The union is represented by 50 white stars, for the 50 states, arrayed on a field of blue.The U.S. flag is sometimes called the Stars and Stripes, Old Glory, or the Red, White, and Blue.n the U.S. flag, 13 horizontal stripes (in red and white) represent the original 13 colonies. The union is represented by 50 white stars, for the 50 states, arrayed on a field of blue. The U.S. flag is sometimes called the Stars and Stripes, Old Glory, or the Red, White, and Blue.