it is common for sb to do
21Common descent — For use of the term in linguistics and philology, see Comparative method, Historical linguistics, Proto language, and Textual criticism. Part of a series on Evolutionary Biology …
22Common Pheasant — Male ( cock ) of hybrid stock in Poland Note thin white neck band due to a ring necked subspecies contribution to hybrid gene pool …
23Common Cuckoo — Conservation status …
24Common name — For the naming convention in Wikipedia, see WP:Common name. A common name of a taxon or organism (also known as a vernacular name, colloquial name, trivial name, trivial epithet, country name, popular name, or farmer s name) is a name in general… …
25Common knowledge (logic) — For common knowledge in general, see Common knowledge. Common knowledge is a special kind of knowledge for a group of agents. There is common knowledge of p in a group of agents G when all the agents in G know p, they all know that they know p,… …
26Common-law marriage in the United States — was affirmed by the United States Supreme Court in Meister v. Moore (96 U.S. 76 (1877)), which ruled that Michigan had not abolished common law marriage merely by producing a statute establishing rules for the solemnization of marriages. Common… …
27Common Murre — Uria aalge aalge in breeding plumage at Runde (Norway). Note bridled bird in centre. Conservation status …
28Common chimpanzee — Common chimpanzee[1] Conservation status …
29Common Kestrel — Adult male Falco tinnunculus tinnunculus Conservation status …
30Common Lisp Object System — For other uses, see Clos (disambiguation). The Common Lisp Object System (CLOS) is the facility for object oriented programming which is part of ANSI Common Lisp. CLOS is a powerful dynamic object system which differs radically from the OOP… …
