Final answer:
Food handlers should scrub their hands for at least 20 seconds to ensure proper handwashing.
Explanation:
Food handlers who scrub their hands and arms with soap for at least 20 seconds have washed their hands correctly. Handwashing is crucial to prevent cross-contamination, especially when handling food. Following proper handwashing techniques recommended by the CDC helps maintain hygiene and prevent the spread of pathogens.
Learn more about proper handwashing techniques here:
https://brainly.com/question/42961791
