Ptolemy tried to describe the motion of the planets by devising a small circle, called a(n) which rotated around the edge of a larger circle.

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

Stages 1 and 4 of the demographic transition are similar in that

What volcanoes form on a divergent plate margin