Darla and Daniel have started 5th grade and one day, Darla comments that all the teachers at her school are grumpy all the time. Daniel disagrees and says that the teachers at the school are super nice. Mark would say that the kids are using this kind of thinking/reasoning.

the plates spread at mid-ocean ridges (they are divergent plate boundaries) which allows magma to rise through the weakness between the plates. the magma then emerges as lava from the boundary and cools, creating a new crust.

its d- have personal value and positive expectations