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.
How many rows of stars on the American flag? Trivia: How many rows of stars on the American flag? is the question we will ask and answer here.