Types of rocks that i know:
Igneous
Metamorphic
Sedimentary
Granite
Basalt
Sandstone
Limestone
Shale
Gabbro
Rhyolite
Schist
Conglomerate
Quartzite
Gneiss
Diorite
Andesite
Obsidian
Dacite
Peridotite
Phyllite
Breccia
Granodiorite
Dolomite
Siltstone
<span>Cómo ...............</span>
<em>Algunos </em>translates to "somethings"
<em>Algunas </em>translates to "somethings, but in feminine"
<em>Alguien </em>translates to "someone"
But <u>a</u><u><em>lgo </em></u>translates to "something"
Therefore <em>algo</em> is the correct answer.
D. Son las cinco y media ( y media means :30)