9000/10=900 people per square mile
The Atlantic Ridge has mountains and deep valleys in the hemispheres, north and south.
The East Pacific Rise has no large mountains or valleys because the Pacific Rises oceanic crust is moving away from the east.
The Creature You're Probably Looking for are dinosaurs
Bom dia!
Pois, além de outras coisas, a exploração intensa da
Mata Atlântica colocou em extinção - e extinguiu - diversas espécies de
nossa fauna e flora, impedindo o reconhecimento e a catalogação de tais
formas de vida.
Abraços!