Sate a four safety measures

Explanation:

understand the risks

wear protective equipments

reduce work place stress

use mechanical aids

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.