What strip of water provides a passageway between mexico and cuba.

A, as , to a , as a , is as a. b. c. d.

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

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4