Point
Which of the following would be the best electrical insulator?
O
A. Iron
B. Steel
C. Styrofoam
D. Aluminum
O
O

Option 3 styrofoam, because the other options are metals and are capable of conducting electricity.

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.