Cal earned extra credit in science class by volunteering at the aquarium on weekends. (5 points) It is a complete and correct sentence.
It features a comma splice.
It is a fused sentence.
It is a rambling sentence.

treaties

explanation:

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

billygate was not one of the scandals

the united states presidential election of 1992 was the 52nd quadrennial presidential election. it was held on tuesday, november 3, 1992. democratic governor bill clinton of arkansas defeated incumbent republican president george h. w. bush, independent businessman ross perot of texas, and a number of minor candidates.