Julie drives 80 mi to grandmother's house. on the way to grandmother's, julie drives half the distance at 30 mph and half the distance at 50 mph . on her return trip, she drives half the time at 30 mph and half the time at 50 mph .how long does it take julie to complete the trip to grandmother's house?

iron would move it is magnetic there is a mag field around the current in the wire

higher potential

explanation:

because it is in a high speed so it must move into a of high potential

in most common fires, oxygen is needed for an oxidation reaction to takes place. the combination of oxygen with any element as fuel can create fire and combustion will occur especially if wood, light materials and other combustible things are combine with oxygen.