What element is different from others in that it readily bonds with other atoms? Is a backbone? Can form many shapes... has 4 electrons in outer energy level? Plz help ASAP!!!

Is there any danger to eating mold?

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations