IB Environmental Systems and Societies. 3.4 and 3.5 Review. Click here to begin. Click here for answer. Name all five layers/horizons of a soil profile. 3.4.1: Question: 1. Click here for answer. Name at least two things that determine the primary productivity of soil. 3.4.2: Question 2.
3.4 and 3.5 Review
Click here to begin