In this bottom section of the rock layers in the Grand Canyon, the oldest rock is shown in these angled layers. Explain what happened in terms of plate tectonics and other conditions to create this section (from the Vishnu Schist, Zoroaster Granite, Igneous intrusion, Bass Limestone, Hakatar Shale and the Shinumo Quartzite)

Which changes of state do the labels represent? a: b: c:

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Ain is , is 's of ? 0.62 0.79 1.27 1.50