Acidity.
If it has less acid it is considered an alkaline
If it has more acid it is acidic
Population Size, Good Luck!
1. Biological Processes
2. Geological Processes
3. Chemical and Physical Processes
<span>4. Human Activity ( hope this helps )</span>
"phloem"
Phloem is a living vascular plant tissue that transports the resulting sugar from photosynthesis to parts of the plant where there is a lower partial concentration of glucose. When tapping the phloem of a maple tree, we get <span>maple syrup running from it, the sugary organic compound resultant from photosynthesis that's being transported through the plant.</span>