Which of the following will increase the strength of a copper electromagnet

A. Adding more loops to the wire
B. Using DC current (like from a battery) instead of AC current (like from the wall)
C. Increasing the current
D. Wrapping the copper wire around an iron nail
E. Using gold instead

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

the answer is 0.8m.

by: nicholas

the answer is a for sure mark brainliest i had got this right on usatestprep