Read the sentence. Arctic winters, which are long and cold, are severe.

Which statement about the underlined adjective clause is true?

a. The clause is connected to the sentence by a relative adverb.

b. It is a nonessential adjective clause.

c. The clause is connected to the sentence by a conjunction.

d. It is an essential adjective clause.

industrialization in great britain began with the global 'industrial revolution', a pioneer. industrialization in russia was the last in europe, a laggard.

great britain’s industrialization was driven by individual citizens, while russia’s was guided by the government.

harlem's  cotton club boasted the talents of duke ellington. singers such as bessie smith and billie holiday popularized blues and jazz vocals. jelly roll morton and louis armstrong drew huge audiences as white americans as well as african americans caught jazz fever.

reflexive.the third one.