Answer:
Sugars
Explanation:
Phloem is a living tissue inside the plants, where it can flow in either direction. Inside the phloem, it will have a cell, which both ends have walls with perforations. So the sugars will travel through them in both directions.
Petrified Wood Is The Fossilized Remains Of Land Vegetation. It Is Also Wood That Is Turned Into Stone.
The three stages are early childhood middle childhood and adolescence