Which meaning of the word element is used in the sentence below? Iron is an important element. It is found in the food we eat, and it is used to make many things, like buildings and bridges.

Iron is an important "object/essential"

Explanation: an element means apart of the whole, and or an essential piece.

the best practice

1. keep your workspace clean

2. wash your hands

3. seperate and clean chemicals and equipment

4.   use microfiber cleaning utensils

5. clean and sanitize all work surfaces

hope this !