If a leaf falls from a tree, has work been done on the leaf?

No

Explanation:

No because it normal when a leave falls off

{im dumb ok}

explanation:

most inclusive taxonomic category, larger than a kingdom. largest taxonomic group, consisting of closely related phyla. group of closely related species, first part of the scientific name in binomial nomenclature. group of similar organisms that breed and produce fertile offspring.

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.