Help answer right and I’ll give you brainlist

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)