(February 2013) Durham tubes are used in microbiology to detect production of gas by microorganisms. They are simply smaller test tubes inserted upside down in another test tube. This small tube is initially filled with the solution in which the microorganism is to be grown.
A compound predicate is two or more simple predicates joined by a conjunction that indicate actions by the same subject. Example : Bill picked up the mail and walked the dog.. Bill is the subject for both verbs.
âA compound-complex sentence has at least two independent clauses and at least one dependent clause.â âAll of the following are compound-complex sentences or complex sentences.â âA compound-complex sentence consists of at least two independent clauses and one dependent clause.â âA compound-complex sentence is a sentence made up of more than one main clause and at least one subordinate clause.â âA compound-complex sentence is just the combination of a compound sentence and a complex sentence.â âAny sentence with more than one main clause and at least one dependent clause is a compound-complex sentence.â âThe compound-complex sentence will have a minimum of three clauses, and could have more.â âIn this case, the sentence is called a compound-complex sentence.â âThe offense for radio is the frequent use of compound-complex sentences where that passive tone most naturally occurs.â