Asteroids that occasionally cross the orbit of Earth are known as Near Earth Asteroids. Asteroids that both cross the orbit of the Earth and are large enough to pose a significant threat in the event of an impact are known as Potentially Hazardous Asteroids.

Bread is not potentially hazardous because of it's low moisture content/

identify the major types of potentially hazardous foods and the characteristics that are common

Elements of hard water are potentially hazardous at about 0.3 to 1.5 PPM.

Bread is not potentially hazardous because of it's low moisture content/