Because the roots, stem, and crown are an integrated system they vary together rather than as independent elements as you seem to suggest in your post. (climateaudit.org)
Party patronage should be balanced by a strong independent element, and a 15 year tenure (subject to the rules of the house, rather than party patronage. (dprvoting.org)
The Universe is one indivisible, dynamic whole in which energy and matter are so deeply entangled it is impossible to consider them as independent elements. (goodreads.com)