Which of the following materials is likely to be the best insulator?
-silver
-phosphorus
-silicon
-calcium

The element most likely to be the best insulator is the worst conductor among the four when you test for their conductivity. The answer among the four options given is 'phosphorus'. I hope this helps you on your assignment. 

Adozen is 12, and your needing to calculate the weight of one medium egg, so i would do 21/12=1.75 per egg, and check your answer by doing 1.75 * 12= 21 : ) : ): ): ): ) i hoped i

Idon’t know sorry i don’t know the answer i’m s sorry