There is a piece of iron near a locked electromagnet, with the electricity turned OFF. What will happen to the piece of iron when the electricity is turned ON? Why?

the answer is c.

by: nicholas dooley

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.