What are the ten biomes, and what appears to be the most prominent biome in north america, south america, asia, africa, australia, and europe? (since this is an approximation, more than one answer is possible for africa, north america, and asia.) (site 1)

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.