human
Is nickel dominant material in US 2020 nickels?
assistant
No, nickel is not the dominant material in US 2020 nickels. Nickels have been made of various materials including silver in the 1940s. Nickels in 2020 are made from a mix of copper and nickel. 2020 nickels are 25% nickel and 75% copper. So copper is the dominant material in US 2020 nickels.