What are the benefits for first nation people

Why were so many distinctive cultures able to develop over time in asia?

The form the boundary between north and south china. a. himalayan mountains c. change river b. xi river d. qinling shandi mountains

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities? it's b