The rainfall, which varies between 39 and 47 in.
Its weight varies from 48 to about 55lb the cubic foot, but in very hard slowly-grown trunks sometimes approaches 60 lb.
The construction varies with the site, obviously with a view to the best use of the ground from a strategic point of view.
By looking at how the genome varies between people with a genetic condition and people without it, we can identify the troublemaking gene.
The proportion varies greatly.