label each of the zones from 2900 km to 6400 km to show how p wave velocity changes
PLEASE HELP!!
THIS IS FOR EARTH AND SPACE SCIENCE BUT THEY DO NOT HAVE THAT OPTION

label each of the zones from 2900 km to 6400 km to show how p wave velocity changes PLEASE HELP THIS IS FOR EARTH AND SPACE SCIENCE BUT THEY DO NOT HAVE THAT OP class=