"D. Staples" wrote in message That just proves the
point that the books are wrong. They way it is being
taught is wrong and confusing.

Define element

define nutrient

define food



--
Sincerely,
John A. Keslick, Jr.
Consulting Tree Biologist
www.treedictionary.com
and
http://home.ccil.org/~treeman
Watch out for so-called tree experts who do not understand tree biology.
Storms, fires, floods, earthquakes, tornado's, volcanic eruptions and other
abiotic forces keep reminding humans that they are not the boss.