Says the universe began as a point and expanded. a. the big bang theory
b. hubble's law
c. cosmology
d. evolution

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

How long does it take for saturn to orbit the sun?

What first caused people to consider that the continents were once one large landmass?