10.Mass extinctions happened mostly in:Lector inmersivo (1 Punto)
Precambrian Era
Paleozoic Era
Mesozoic Era
Cenozoic Era

If your house is facing the north and your facing the east, what direction is your left hand facing? a. north b. east c. south d. west what would happen if it rained on a rock almost everyday for 3 years? a. it would start to crumble b. it would start to take a natural formation c. it would stay the same : |

What part did glaciers play in forming the great lakes?

The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. the impact site of this comet is in or near