Lava that cools so quickly that the ions do not have time to arrange themselves into crystals with definite shape will form igneous rocks with FINE GRAINED TEXTURE. Igneous rocks are those rocks formed as a result of cooling of magma or lava.
That it would take light 7.4 years to travel through space.
I believe the answer is Northern Argentina.
1) a decrease in cloud cover
2) a decrese in solar radiation
3) an increase in airborne dust particles
4) an increase in the duration of isolation
