How are the mountain valleys, which have the direction of the mountain ranges, been produced?
What are the dimensions of Mount AEtna, and how has it been produced?
In cultivation, however, double flowers are of frequent occurrence; hence the conclusion that they have been produced in gardens and nurseries more frequently than perhaps any other type of variety.
This discontinuity has already been insisted upon by Hofmeister and others, even at the time when the theory of descent was most under discussion, and any link would surely have been produced as a proof of a slow and continuous change.
The question naturally arises how these groups of nearly allied forms may originally have been produced.
As it is very improbable that the two last named localities should have received their purple beeches from the first named forest, it seems reasonable to assume that the variety must have been produced at least thrice.
Necessity, sir, has, heretofore, been produced as a plea for that which could be no otherwise defended.
The term inoculated cow-pox implies that the affection has been produced by intentional inoculation.
Such are the arguments which have been produced in favour of this bill; and such is the diligence with which the publick happiness is promoted by those who have hopes of being enriched by publick calamities.
The transformation of heterogeny into pure parthenogenesis has obviously been produced by other causes as well as by those mentioned in the main part of this paper.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "been produced" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
