Fill in the blank (use picture for #1): 1.) A geologist examining a road cut at this location would recognize that Layer I is _ than Fault H. This conclusion is made through the principle of _.

2.) The age of material on a tectonic plate depends in part on what type of crust it is composed of. _ tends to be younger because it is constantly recycled at the _. On the other hand, _ tends to be older because it can often remain intact for longer periods.

3.) At the Mid-Atlantic Ridge, magma _ Earth’s crust, pushing the North American plate and the Eurasian plate _ each other. Because of the movement of the plates, the Atlantic Ocean continuously becomes _.