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=](https://us-static.z-dn.net/files/da3/2c1aaa6c43e7738289769bc390c17d2c.png)