4. what are two ways that homo erectus was different from earlier human ancestors?

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

What did the first language sound like

The table below shows the number of foot bones in some horse fossils. horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s