Part A Bring the compass and the magnet near one another. Verify that they are both magnetic and interact with each other. Like poles should repel, and unlike poles should attract.

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves

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.