Answer:
I think It's D
Explanation:
If it's not D then it's B
Question: The Produces secondary phloem and xylem tissue, adding to a tree's girth. Answer: The "vascular cambium" produces secondary phloem and xylem tissue, adding to a tree's girth.
An organism is defined as pathogenic if it can cause diseases in humans. The organisms that cause diseases' like whooping cough, influenza and diphtheria are this kind of pathogen.
Hope that helps!!!
The percentage is 10% of the total iron content
People can get chemical energy from food (carbohydrates)