Jill is a 45-year-old woman she weighs 150 pounds and is 5’6” tall she has decided to run a marathon in the next year Jill decides she needs to start training she wants to make sure she is completing her work out with her THRZ. what is the Jill THRZ

Bell will L Zim crook zoo shown

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.