Which of the following is consistent with the plate tectonic theory?

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?

What change took place in china's southwest region after the communists came to power? a) encouraged by government policies, the economic base of the region changed from agriculture to nòmadic herding. b) the communist government established a special economic zone in the region. c) the leader of the religion practiced in the region went into exile, d) the leader of the religion practiced in the region was executed.