Problem: Answer this question: what people used mayan numeral system?

A: Maya numerals are a vigesimal ( base - twenty ) numeral system used by the Pre-Columbian Maya civilization .


Problem: Answer this question: how much does a gold bar weigh?

A: The kilobar, which is to say 1000 grams in mass, is the bar that is more manageable and is used extensively for trading and investment.


Problem: Answer this question: what is vitamin a for?

A: Vitamin A has multiple functions, it is important for growth and development, for the maintenance of the immune system and good vision.


Problem: Answer this question: who is shem in the bible?

A:
He is most popularly regarded as the eldest son, though some traditions regard him as the second son.