Question: Is nickel dominant material in US 2020 nickels?, Answer:No, Description of Nickel: Chemical element with atomic number 28, Fact1: Nickels have been made of various materials including silver in the 1940s., Fact2: Nickels in 2020 are made from a mix of copper and nickel., Fact3: 2020 nickels are 25% nickel and 75% copper.
Step1: What is the composition of the US 2020 nickel?, Step2: Of the elements listed in #1, do any of them make up more than 50% of the US 2020 Nickel?, Step3: If #2 is yes, is that element nickel?, Wikipedia page for step 1: Nickel, Wikipedia page for step 2: Nickel, Wikipedia page for step 3: Nickel, not_definitive_answer: False, incorrect_answer: False