Answer:

1.What are the things that need to be

cleaned and sanitized at all times?

—any surface that touches food such as knives, stockpots, cutting boards.

2.Why is hand washing so important in the prevention of covid 19?

—With COVID-19 transmission mainly spreading between people through direct, indirect (through contaminated objects or surfaces), or close contact with infected people via mouth and nose secretions, washing hands with soap and running water is of critical importance.

3.Why is there a need to clean and sanitize our respective environment?

—to remove food (nutrients) that bacteria need to grow

Explanation:

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