At what period of their life are cows the most liable to be attacked with puerperal fever?
At what period of their lives are cows the most liable to be attacked with puerperal fever?
It has been disputed at what period of life the causes of variability, whatever they may be, generally act; whether during the early or late period of development of the embryo, or at the instant of conception.
But we could not have told what the unfavourable conditions were which checked its increase, whether some one or several contingencies, and at what period of the horse's life, and in what degree, they severally acted.
The question is not, at what periodof life any variation has been caused, but at what period it is fully displayed.
The last Duke of Buckingham resided on this hill, but at what period we have not been able to discover.
The Greeks ascribe this invention to a native of Lydia; but at what period he lived, is not known.
At what period it was first known among them, cannot be ascertained; they pretend that it was known before the age of Confucius.
Pliny, in his chapter on inventions and discoveries, states that this metal was first brought from the Cassiterides by Midacritus, but at what period, or of what nation he was, he does not inform us.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "what period" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
